diff --git a/dashboards/dashboards/MySQL/MySQL_InnoDB_Compression_Details.json b/dashboards/dashboards/MySQL/MySQL_InnoDB_Compression_Details.json
index 81ed8aa4816..4df5c00c76a 100644
--- a/dashboards/dashboards/MySQL/MySQL_InnoDB_Compression_Details.json
+++ b/dashboards/dashboards/MySQL/MySQL_InnoDB_Compression_Details.json
@@ -809,10 +809,9 @@
             "steppedLine": false,
             "targets": [
                 {
-                    "expr": "avg by (service_name) ((sum(rate(mysql_info_schema_innodb_cmp_compress_time_seconds_total{service_name=~\"$service_name\"}[$interval])) by (service_name) or\nsum(irate(mysql_info_schema_innodb_cmp_compress_time_seconds_total{service_name=~\"$service_name\"}[5m])) by (service_name))) /\nsum(count(node_cpu_seconds_total{mode=\"user\", node_name=~\"$node_name\"}) by (node_name)) *100",
+                    "expr": "avg by (service_name) ((sum by (service_name, node_name) (rate(mysql_info_schema_innodb_cmp_compress_time_seconds_total{service_name=~\"$service_name\"}[$interval])) or\nsum by (service_name, node_name) (irate(mysql_info_schema_innodb_cmp_compress_time_seconds_total{service_name=~\"$service_name\"}[5m]))) /\non (node_name) group_left () count by (node_name) (node_cpu_seconds_total{mode=\"user\", node_name=~\"$node_name\"}) * 100)",
                     "format": "time_series",
                     "hide": false,
-                    "interval": "1h",
                     "intervalFactor": 1,
                     "legendFormat": "{{service_name}}",
                     "refId": "C"
@@ -918,9 +917,8 @@
             "steppedLine": false,
             "targets": [
                 {
-                    "expr": "avg by (node_name) ((sum(rate(mysql_info_schema_innodb_cmp_uncompress_time_seconds_total{service=~\"$service_name\"}[$interval])) by (service_name) or\nsum(irate(mysql_info_schema_innodb_cmp_uncompress_time_seconds_total{instance=~\"$service_name\"}[5m])) by (service_name))) /\nsum(count(node_cpu_seconds_total{mode=\"user\", node_name=~\"$node_name\"}) by (node_name)) * 100",
+                    "expr": "avg by (service_name) ((sum by (service_name, node_name) (rate(mysql_info_schema_innodb_cmp_uncompress_time_seconds_total{service_name=~\"$service_name\"}[$interval])) or\nsum by (service_name, node_name) (irate(mysql_info_schema_innodb_cmp_uncompress_time_seconds_total{service_name=~\"$service_name\"}[5m]))) /\non (node_name) group_left () count by (node_name) (node_cpu_seconds_total{mode=\"user\", node_name=~\"$node_name\"}) * 100)",
                     "format": "time_series",
-                    "interval": "1h",
                     "intervalFactor": 1,
                     "legendFormat": "{{service_name}}",
                     "refId": "B"
@@ -1563,7 +1561,7 @@
                     "pluginVersion": "8.3.5",
                     "targets": [
                         {
-                            "expr": "avg by (node_name) ((mysql_global_variables_innodb_buffer_pool_size{service_name=~\"$service_name\"} * 100)) /\non (node_name) (max by () (container_spec_memory_limit_bytes{node_name=~\"$node_name\",id=~\"/kubepods.*\",container!~\"POD|pmm-client|\"}) or \nmax by () (node_memory_MemTotal_bytes{node_name=~\"$node_name\"}))",
+                            "expr": "avg by (node_name) ((mysql_global_variables_innodb_buffer_pool_size{service_name=~\"$service_name\"} * 100)) /\non (node_name) (max by (node_name) (container_spec_memory_limit_bytes{node_name=~\"$node_name\",id=~\"/kubepods.*\",container!~\"POD|pmm-client|\"}) or \nmax by (node_name) (node_memory_MemTotal_bytes{node_name=~\"$node_name\"}))",
                             "refId": "A"
                         }
                     ],
@@ -1652,7 +1650,7 @@
                     "type": "stat"
                 },
                 {
-                    "description": "",
+                    "description": "Checkpoint age relative to the redo log size. On MySQL 8.0.30 and newer the denominator is the total InnoDB redo log capacity. Older servers expose only the legacy status variables, so the panel falls back to the sync flush threshold (Innodb_checkpoint_max_age), which is smaller than the capacity and therefore reports a higher percentage for the same workload.",
                     "fieldConfig": {
                         "defaults": {
                             "color": {
@@ -1723,7 +1721,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or \nmax_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m])) / (max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m])))",
+                            "expr": "avg by (service_name) (max_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"$service_name\"}[5m]) or\n((max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m])) /\n(max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]))) or\n((max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m])) /\n(max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]))))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
diff --git a/dashboards/dashboards/MySQL/MySQL_InnoDB_Details.json b/dashboards/dashboards/MySQL/MySQL_InnoDB_Details.json
index ac7f5fa784f..617c5bad583 100644
--- a/dashboards/dashboards/MySQL/MySQL_InnoDB_Details.json
+++ b/dashboards/dashboards/MySQL/MySQL_InnoDB_Details.json
@@ -251,7 +251,7 @@
                     "calculatedInterval": "10m",
                     "datasourceErrors": {},
                     "errors": {},
-                    "expr": "avg by (node_name) ((mysql_global_variables_innodb_buffer_pool_size{service_name=~\"$service_name\"} * 100)) / \non (node_name) (max by () (container_spec_memory_limit_bytes{node_name=~\"$node_name\",id=~\"/kubepods.*\",container!~\"POD|pmm-client|\"}) or \nmax by () (node_memory_MemTotal_bytes{node_name=~\"$node_name\"}))",
+                    "expr": "avg by (node_name) ((mysql_global_variables_innodb_buffer_pool_size{service_name=~\"$service_name\"} * 100)) / \non (node_name) (max by (node_name) (container_spec_memory_limit_bytes{node_name=~\"$node_name\",id=~\"/kubepods.*\",container!~\"POD|pmm-client|\"}) or \nmax by (node_name) (node_memory_MemTotal_bytes{node_name=~\"$node_name\"}))",
                     "format": "time_series",
                     "interval": "5m",
                     "intervalFactor": 1,
@@ -346,7 +346,7 @@
             "type": "stat"
         },
         {
-            "description": "",
+            "description": "Checkpoint age relative to the redo log size. On MySQL 8.0.30 and newer the denominator is the total InnoDB redo log capacity. Older servers expose only the legacy status variables, so the panel falls back to the sync flush threshold (Innodb_checkpoint_max_age), which is smaller than the capacity and therefore reports a higher percentage for the same workload.",
             "fieldConfig": {
                 "defaults": {
                     "color": {
@@ -417,7 +417,7 @@
                     "calculatedInterval": "10m",
                     "datasourceErrors": {},
                     "errors": {},
-                    "expr": "avg by (service_name) ((max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or \nmax_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m])) / (max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m])))",
+                    "expr": "avg by (service_name) (max_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"$service_name\"}[5m]) or\n((max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m])) /\n(max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]))) or\n((max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m])) /\n(max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]))))",
                     "format": "time_series",
                     "interval": "$interval",
                     "intervalFactor": 1,
@@ -6439,7 +6439,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (node_name) ((mysql_global_variables_innodb_buffer_pool_size{service_name=~\"$service_name\"} * 100)) / \non (node_name) (max by () (container_spec_memory_limit_bytes{node_name=~\"$node_name\",id=~\"/kubepods.*\",container!~\"POD|pmm-client|\"}) or \nmax by () (node_memory_MemTotal_bytes{node_name=~\"$node_name\"}))",
+                            "expr": "avg by (node_name) ((mysql_global_variables_innodb_buffer_pool_size{service_name=~\"$service_name\"} * 100)) / \non (node_name) (max by (node_name) (container_spec_memory_limit_bytes{node_name=~\"$node_name\",id=~\"/kubepods.*\",container!~\"POD|pmm-client|\"}) or \nmax by (node_name) (node_memory_MemTotal_bytes{node_name=~\"$node_name\"}))",
                             "format": "time_series",
                             "interval": "5m",
                             "intervalFactor": 1,
@@ -7689,7 +7689,7 @@
                             "calculatedInterval": "2m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) (rate(mysql_global_status_buffer_pool_page_changes_total_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_young\"}[$interval]) or irate(mysql_global_status_buffer_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_young\"}[5m]))",
+                            "expr": "avg by (service_name) (rate(mysql_global_status_buffer_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_young\"}[$interval]) or irate(mysql_global_status_buffer_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_young\"}[5m]))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -7702,7 +7702,7 @@
                             "calculatedInterval": "2m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) (rate(mysql_global_status_buffer_pool_page_changes_total_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_not_young\"}[$interval]) or irate(mysql_global_status_buffer_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_not_young\"}[5m]))",
+                            "expr": "avg by (service_name) (rate(mysql_global_status_buffer_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_not_young\"}[$interval]) or irate(mysql_global_status_buffer_pool_page_changes_total{service_name=~\"$service_name\", operation=\"made_not_young\"}[5m]))",
                             "format": "time_series",
                             "hide": false,
                             "interval": "$interval",
@@ -10008,14 +10008,14 @@
                 },
                 {
                     "aliasColors": {
-                        "Max Checkpoint Age": "#BF1B00",
+                        "Redo Log Capacity / Max Checkpoint Age": "#BF1B00",
                         "Uncheckpointed Bytes": "#E0752D"
                     },
                     "bars": false,
                     "dashLength": 10,
                     "dashes": false,
                     "decimals": 2,
-                    "description": "**InnoDB Checkpoint Age**\n\nThe maximum checkpoint age is determined by the total length of all transaction log files (innodb_log_file_size).\n\nWhen the checkpoint age reaches the maximum checkpoint age, blocks are flushed syncronously. The rules of the thumb is to keep one hour of traffic in those logs and let the checkpointing perform its work as smooth as possible. If you don't do this, InnoDB will do synchronous flushing at the worst possible time, ie when you are busiest.\n\n**Notice**: InnoDB_checkpoint_max_age variable was removed in Percona Server for MySQL 8.0.13-4 due to a change in MySQL. It was restored in 8.0.21-12.",
+                    "description": "**InnoDB Checkpoint Age**\n\nOn MySQL 8.0.30 and newer the limit series is the total InnoDB redo log capacity (innodb_redo_log_capacity). Older servers expose only the legacy status variables, so it falls back to the sync flush threshold (Innodb_checkpoint_max_age), which is smaller than the capacity.\n\nWhen the checkpoint age reaches that limit, blocks are flushed synchronously. The rule of thumb is to keep one hour of traffic in those logs and let the checkpointing perform its work as smooth as possible. If you don't do this, InnoDB will do synchronous flushing at the worst possible time, ie when you are busiest.\n\n**Notice**: the Innodb_checkpoint_max_age status variable was removed in Percona Server for MySQL 8.0.13-4 due to a change in MySQL. It was restored in 8.0.21-12.",
                     "editable": true,
                     "error": false,
                     "fieldConfig": {
@@ -10063,7 +10063,7 @@
                     "renderer": "flot",
                     "seriesOverrides": [
                         {
-                            "alias": "Max Checkpoint Age",
+                            "alias": "Redo Log Capacity / Max Checkpoint Age",
                             "color": "#BF1B00",
                             "fill": 0
                         }
@@ -10076,7 +10076,7 @@
                             "calculatedInterval": "2m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) (max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or \nmax_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m]))",
+                            "expr": "avg by (service_name) (max_over_time(mysql_innodb_redo_log_checkpoint_age_bytes{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_innodb_redo_log_checkpoint_age_bytes{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m]))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -10089,11 +10089,11 @@
                             "calculatedInterval": "2m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) (max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]))",
+                            "expr": "avg by (service_name) (max_over_time(mysql_innodb_redo_log_capacity_bytes{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_innodb_redo_log_capacity_bytes{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
-                            "legendFormat": "Max Checkpoint Age",
+                            "legendFormat": "Redo Log Capacity / Max Checkpoint Age",
                             "metric": "",
                             "refId": "B",
                             "step": 300
@@ -10852,7 +10852,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[$interval]) or irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[5m])))",
+                            "expr": "avg by (service_name) ((rate(mysql_innodb_metrics_buffer_flush_neighbor_pages_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_buffer_flush_neighbor_pages_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[5m])))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -10933,7 +10933,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[$interval]) or irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[5m]))) ",
+                            "expr": "avg by (service_name) ((rate(mysql_innodb_metrics_buffer_flush_neighbor_batches_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_buffer_flush_neighbor_batches_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[5m]))) ",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -11014,7 +11014,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[$interval])/(rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[$interval]))) or (irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[5m])/(irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[5m]))))",
+                            "expr": "avg by (service_name) (((rate(mysql_innodb_metrics_buffer_flush_neighbor_pages_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[$interval])) / (rate(mysql_innodb_metrics_buffer_flush_neighbor_batches_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[$interval]))) or ((irate(mysql_innodb_metrics_buffer_flush_neighbor_pages_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor_total_pages{service_name=~\"$service_name\"}[5m])) / (irate(mysql_innodb_metrics_buffer_flush_neighbor_batches_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_buffer_buffer_flush_neighbor{service_name=~\"$service_name\"}[5m]))))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -11422,7 +11422,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((rate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m])))",
+                            "expr": "avg by (service_name) (rate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[5m]) or\nrate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m]))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -11817,7 +11817,7 @@
                     "type": "stat"
                 },
                 {
-                    "description": "",
+                    "description": "Checkpoint age relative to the redo log size. On MySQL 8.0.30 and newer the denominator is the total InnoDB redo log capacity. Older servers expose only the legacy status variables, so the panel falls back to the sync flush threshold (Innodb_checkpoint_max_age), which is smaller than the capacity and therefore reports a higher percentage for the same workload.",
                     "fieldConfig": {
                         "defaults": {
                             "color": {
@@ -11887,7 +11887,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or \nmax_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m])) / (max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m])))",
+                            "expr": "avg by (service_name) (max_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"$service_name\"}[$interval]) or\nmax_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"$service_name\"}[5m]) or\n((max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"$service_name\"}[5m])) /\n(max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"$service_name\"}[5m]))) or\n((max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"$service_name\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"$service_name\"}[5m])) /\n(max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[$interval]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"$service_name\"}[5m]))))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -12814,7 +12814,7 @@
                     "calculatedInterval": "10m",
                     "datasourceErrors": {},
                     "errors": {},
-                    "expr": "avg by (service_name) (((rate(mysql_global_status_innodb_os_log_written{service_name=~\"$service_name\"}[$interval]) or irate(mysql_global_status_innodb_os_log_written{service_name=~\"$service_name\"}[5m]))/((rate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m])))))\n",
+                    "expr": "avg by (service_name) ((rate(mysql_innodb_redo_log_written_bytes_total{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_innodb_redo_log_written_bytes_total{service_name=~\"$service_name\"}[5m]) or\nrate(mysql_global_status_innodb_os_log_written{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_global_status_innodb_os_log_written{service_name=~\"$service_name\"}[5m])) /\n(rate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[5m]) or\nrate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m])))",
                     "format": "time_series",
                     "interval": "$interval",
                     "intervalFactor": 1,
@@ -12978,7 +12978,7 @@
                     "calculatedInterval": "10m",
                     "datasourceErrors": {},
                     "errors": {},
-                    "expr": "avg by (service_name) (sum((rate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval]) or irate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m])))  / sum((rate(mysql_info_schema_innodb_metrics_transaction_trx_rw_commits_total{service_name=~\"$service_name\"}[$interval]) or irate(mysql_info_schema_innodb_metrics_transaction_trx_rw_commits_total{service_name=~\"$service_name\"}[5m]))))",
+                    "expr": "avg by (service_name) (sum(rate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[5m]) or\nrate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m])) /\nsum(rate(mysql_innodb_metrics_transactions_read_write_committed_total{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_innodb_metrics_transactions_read_write_committed_total{service_name=~\"$service_name\"}[5m]) or\nrate(mysql_info_schema_innodb_metrics_transaction_trx_rw_commits_total{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_info_schema_innodb_metrics_transaction_trx_rw_commits_total{service_name=~\"$service_name\"}[5m])))",
                     "format": "time_series",
                     "interval": "$interval",
                     "intervalFactor": 1,
@@ -14043,7 +14043,7 @@
                     "calculatedInterval": "10m",
                     "datasourceErrors": {},
                     "errors": {},
-                    "expr": "avg by (service_name) ((rate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m])))",
+                    "expr": "avg by (service_name) (rate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_innodb_redo_log_current_lsn{service_name=~\"$service_name\"}[5m]) or\nrate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[$interval]) or\nirate(mysql_global_status_innodb_lsn_current{service_name=~\"$service_name\"}[5m]))",
                     "format": "time_series",
                     "interval": "$interval",
                     "intervalFactor": 1,
@@ -17121,7 +17121,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((rate(mysql_info_schema_innodb_metrics_purge_purge_upd_exist_or_extern_records_total{service_name=~\"$service_name\"}[$interval])+rate(mysql_info_schema_innodb_metrics_purge_purge_del_mark_records_total{service_name=~\"$service_name\"}[$interval]))/(rate(mysql_info_schema_innodb_metrics_purge_purge_invoked_total{service_name=~\"$service_name\"}[$interval])\r))",
+                            "expr": "avg by (service_name) ((((rate(mysql_innodb_metrics_purge_updated_records_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_purge_purge_upd_exist_or_extern_records_total{service_name=~\"$service_name\"}[$interval])) + (rate(mysql_innodb_metrics_purge_delete_marked_records_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_purge_purge_del_mark_records_total{service_name=~\"$service_name\"}[$interval]))) / (rate(mysql_innodb_metrics_purge_invocations_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_purge_purge_invoked_total{service_name=~\"$service_name\"}[$interval]))) or (((irate(mysql_innodb_metrics_purge_updated_records_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_purge_purge_upd_exist_or_extern_records_total{service_name=~\"$service_name\"}[5m])) + (irate(mysql_innodb_metrics_purge_delete_marked_records_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_purge_purge_del_mark_records_total{service_name=~\"$service_name\"}[5m]))) / (irate(mysql_innodb_metrics_purge_invocations_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_purge_purge_invoked_total{service_name=~\"$service_name\"}[5m]))))",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -18477,7 +18477,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((rate( mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[$interval]) or irate( mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[5m]))/(rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_pages_added_total{service_name=~\"$service_name\"}[$interval]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_pages_added_total{service_name=~\"$service_name\"}[5m]))\r)\n",
+                            "expr": "avg by (service_name) (((rate(mysql_innodb_metrics_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[5m]))) / ((rate(mysql_innodb_metrics_adaptive_hash_pages_added_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_pages_added_total{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_adaptive_hash_pages_added_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_pages_added_total{service_name=~\"$service_name\"}[5m]))))\n",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
@@ -18561,7 +18561,7 @@
                             "calculatedInterval": "10m",
                             "datasourceErrors": {},
                             "errors": {},
-                            "expr": "avg by (service_name) ((rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_searches_total{service_name=~\"$service_name\"}[$interval]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_searches_btree_total{service_name=~\"$service_name\"}[5m]))/\r\n((rate( mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[$interval]) or irate( mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[5m]))+ (rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_removed_total{service_name=~\"$service_name\"}[$interval]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_removed_total{service_name=~\"$service_name\"}[5m]))+\r\n(rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_updated_total{service_name=~\"$service_name\"}[$interval]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_updated_total{service_name=~\"$service_name\"}[5m])))\r)\n\n",
+                            "expr": "avg by (service_name) (((rate(mysql_innodb_metrics_adaptive_hash_searches_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_searches_total{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_adaptive_hash_searches_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_searches_total{service_name=~\"$service_name\"}[5m]))) /\n(((rate(mysql_innodb_metrics_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_added_total{service_name=~\"$service_name\"}[5m]))) + ((rate(mysql_innodb_metrics_adaptive_hash_rows_removed_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_removed_total{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_adaptive_hash_rows_removed_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_removed_total{service_name=~\"$service_name\"}[5m]))) +\n((rate(mysql_innodb_metrics_adaptive_hash_rows_updated_total{service_name=~\"$service_name\"}[$interval]) or rate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_updated_total{service_name=~\"$service_name\"}[$interval])) or (irate(mysql_innodb_metrics_adaptive_hash_rows_updated_total{service_name=~\"$service_name\"}[5m]) or irate(mysql_info_schema_innodb_metrics_adaptive_hash_index_adaptive_hash_rows_updated_total{service_name=~\"$service_name\"}[5m])))))\n\n",
                             "format": "time_series",
                             "interval": "$interval",
                             "intervalFactor": 1,
diff --git a/dashboards/dashboards/MySQL/MySQL_Instance_Summary.json b/dashboards/dashboards/MySQL/MySQL_Instance_Summary.json
index 6ddf8f9839d..a386c8bb252 100644
--- a/dashboards/dashboards/MySQL/MySQL_Instance_Summary.json
+++ b/dashboards/dashboards/MySQL/MySQL_Instance_Summary.json
@@ -2988,6 +2988,22 @@
             "title": "Query Cache",
             "type": "row"
         },
+        {
+            "gridPos": {
+                "h": 3,
+                "w": 24,
+                "x": 0,
+                "y": 118
+            },
+            "id": 9002,
+            "options": {
+                "content": "ℹ️ **Query Cache was removed in Oracle MySQL 8.0 and Percona Server 8.0, so empty charts are expected there. MariaDB still ships a query cache, but it is disabled by default, so charts stay empty unless `query_cache_type` is enabled.**",
+                "mode": "markdown"
+            },
+            "pluginVersion": "8.3.5",
+            "transparent": true,
+            "type": "text"
+        },
         {
             "aliasColors": {},
             "bars": false,
@@ -3007,10 +3023,10 @@
             "fillGradient": 0,
             "grid": {},
             "gridPos": {
-                "h": 8,
+                "h": 7,
                 "w": 12,
                 "x": 0,
-                "y": 118
+                "y": 121
             },
             "hiddenSeries": false,
             "id": 46,
@@ -3125,10 +3141,10 @@
             "fillGradient": 0,
             "grid": {},
             "gridPos": {
-                "h": 8,
+                "h": 7,
                 "w": 12,
                 "x": 12,
-                "y": 118
+                "y": 121
             },
             "height": "",
             "hiddenSeries": false,
@@ -3271,7 +3287,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 126
+                "y": 128
             },
             "id": 392,
             "panels": [],
@@ -3299,7 +3315,7 @@
                 "h": 8,
                 "w": 12,
                 "x": 0,
-                "y": 127
+                "y": 129
             },
             "hiddenSeries": false,
             "id": 43,
@@ -3403,7 +3419,7 @@
                 "h": 8,
                 "w": 12,
                 "x": 12,
-                "y": 127
+                "y": 129
             },
             "hiddenSeries": false,
             "id": 41,
@@ -3514,7 +3530,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 135
+                "y": 137
             },
             "id": 393,
             "panels": [],
@@ -3543,7 +3559,7 @@
                 "h": 8,
                 "w": 12,
                 "x": 0,
-                "y": 136
+                "y": 138
             },
             "hiddenSeries": false,
             "id": 44,
@@ -3694,7 +3710,7 @@
                 "h": 8,
                 "w": 12,
                 "x": 12,
-                "y": 136
+                "y": 138
             },
             "hiddenSeries": false,
             "id": 42,
@@ -3801,7 +3817,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 144
+                "y": 146
             },
             "id": 394,
             "panels": [],
@@ -3830,7 +3846,7 @@
                 "h": 8,
                 "w": 24,
                 "x": 0,
-                "y": 145
+                "y": 147
             },
             "hiddenSeries": false,
             "id": 54,
@@ -3952,7 +3968,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 153
+                "y": 155
             },
             "id": 291,
             "panels": [
diff --git a/dashboards/dashboards/MySQL/MySQL_Instances_Compare.json b/dashboards/dashboards/MySQL/MySQL_Instances_Compare.json
index f7a1dc5dcd6..dc4dab91e2d 100644
--- a/dashboards/dashboards/MySQL/MySQL_Instances_Compare.json
+++ b/dashboards/dashboards/MySQL/MySQL_Instances_Compare.json
@@ -3348,6 +3348,22 @@
             },
             "id": 391,
             "panels": [
+                {
+                    "gridPos": {
+                        "h": 3,
+                        "w": 24,
+                        "x": 0,
+                        "y": 33
+                    },
+                    "id": 9003,
+                    "options": {
+                        "content": "ℹ️ **Query Cache was removed in Oracle MySQL 8.0 and Percona Server 8.0, so empty charts are expected there. MariaDB still ships a query cache, but it is disabled by default, so charts stay empty unless `query_cache_type` is enabled.**",
+                        "mode": "markdown"
+                    },
+                    "pluginVersion": "8.3.5",
+                    "transparent": true,
+                    "type": "text"
+                },
                 {
                     "aliasColors": {},
                     "bars": false,
@@ -3376,7 +3392,7 @@
                         "h": 8,
                         "w": 24,
                         "x": 0,
-                        "y": 35
+                        "y": 36
                     },
                     "hiddenSeries": false,
                     "id": 46,
@@ -3503,7 +3519,7 @@
                         "h": 8,
                         "w": 24,
                         "x": 0,
-                        "y": 43
+                        "y": 44
                     },
                     "height": "",
                     "hiddenSeries": false,
diff --git a/dashboards/dashboards/MySQL/MySQL_Instances_Overview.json b/dashboards/dashboards/MySQL/MySQL_Instances_Overview.json
index 53373263e28..bec00f4730d 100644
--- a/dashboards/dashboards/MySQL/MySQL_Instances_Overview.json
+++ b/dashboards/dashboards/MySQL/MySQL_Instances_Overview.json
@@ -5665,7 +5665,7 @@
             "type": "stat"
         },
         {
-            "description": "",
+            "description": "Query Cache was removed in Oracle MySQL 8.0 and Percona Server 8.0, so no data is expected there. MariaDB still ships a query cache, but it is disabled by default, so data appears only when `query_cache_type` is enabled.",
             "fieldConfig": {
                 "defaults": {
                     "color": {
@@ -6176,6 +6176,22 @@
             },
             "id": 391,
             "panels": [
+                {
+                    "gridPos": {
+                        "h": 3,
+                        "w": 24,
+                        "x": 0,
+                        "y": 29
+                    },
+                    "id": 9001,
+                    "options": {
+                        "content": "ℹ️ **Query Cache was removed in Oracle MySQL 8.0 and Percona Server 8.0, so empty charts are expected there. MariaDB still ships a query cache, but it is disabled by default, so charts stay empty unless `query_cache_type` is enabled.**",
+                        "mode": "markdown"
+                    },
+                    "pluginVersion": "8.3.5",
+                    "transparent": true,
+                    "type": "text"
+                },
                 {
                     "aliasColors": {},
                     "bars": true,
@@ -6198,7 +6214,7 @@
                         "h": 8,
                         "w": 12,
                         "x": 0,
-                        "y": 30
+                        "y": 32
                     },
                     "hiddenSeries": false,
                     "id": 46,
@@ -6324,7 +6340,7 @@
                         "h": 8,
                         "w": 12,
                         "x": 12,
-                        "y": 30
+                        "y": 32
                     },
                     "id": 421,
                     "links": [],
diff --git a/dashboards/dashboards/MySQL/MySQL_Performance_Schema_Details.json b/dashboards/dashboards/MySQL/MySQL_Performance_Schema_Details.json
index 848a5ba7163..011f2be44ed 100644
--- a/dashboards/dashboards/MySQL/MySQL_Performance_Schema_Details.json
+++ b/dashboards/dashboards/MySQL/MySQL_Performance_Schema_Details.json
@@ -363,7 +363,7 @@
             "dashLength": 10,
             "dashes": false,
             "decimals": 2,
-            "description": "The Performance Schema status variables provide information about instrumentation that could not be loaded or created due to memory constraints.",
+            "description": "The Performance Schema status variables provide information about instrumentation that could not be loaded or created due to memory constraints.\n\nOnly instrumentation whose lost counter is non-zero is plotted, so an empty panel means nothing was lost. The counter is cumulative, so instrumentation that lost events before the selected range stays visible as a flat zero line, and zero samples between events remain visible.",
             "editable": true,
             "error": false,
             "fieldConfig": {
@@ -423,7 +423,7 @@
             "targets": [
                 {
                     "exemplar": true,
-                    "expr": "increase(mysql_global_status_performance_schema_lost_total{service_name=~\"$service_name\"}[$interval])> 0 or increase(mysql_global_status_performance_schema_lost_total{service_name=~\"$service_name\"}[5m]) > 0",
+                    "expr": "(increase(mysql_global_status_performance_schema_lost_total{service_name=~\"$service_name\"}[$interval]) or increase(mysql_global_status_performance_schema_lost_total{service_name=~\"$service_name\"}[5m]))\nand on (service_name, instrumentation) (max_over_time(mysql_global_status_performance_schema_lost_total{service_name=~\"$service_name\"}[$__range]) > 0)",
                     "format": "time_series",
                     "interval": "$interval",
                     "intervalFactor": 1,
diff --git a/dashboards/dashboards/MySQL/MySQL_Table_Details.json b/dashboards/dashboards/MySQL/MySQL_Table_Details.json
index eb96f024b6c..8352846ccbf 100644
--- a/dashboards/dashboards/MySQL/MySQL_Table_Details.json
+++ b/dashboards/dashboards/MySQL/MySQL_Table_Details.json
@@ -439,16 +439,15 @@
             "editable": true,
             "error": false,
             "gridPos": {
-                "h": 2,
+                "h": 3,
                 "w": 24,
                 "x": 0,
                 "y": 18
             },
-            "height": "50px",
             "id": 44,
             "links": [],
             "options": {
-                "content": "The next two graphs are available only for [Percona Server](https://per.co.na/5_6_diagnostics_user_stat) and [MariaDB](https://mariadb.com/kb/en/mariadb/user-statistics/) and require `userstat` variable turned on.",
+                "content": "Table activity uses `INFORMATION_SCHEMA.TABLE_STATISTICS` on [Percona Server](https://per.co.na/5_6_diagnostics_user_stat) and [MariaDB](https://mariadb.com/kb/en/mariadb/user-statistics/) when `userstat` is enabled. On Oracle MySQL, including MySQL 9.7, it uses `performance_schema.table_io_waits_summary_by_table`. Both sources require per-table statistics collection, which PMM disables for services with more tables than the configured table statistics limit.",
                 "mode": "markdown"
             },
             "pluginVersion": "8.3.5",
@@ -462,7 +461,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 20
+                "y": 21
             },
             "id": 58,
             "panels": [],
@@ -490,7 +489,7 @@
                 "h": 8,
                 "w": 24,
                 "x": 0,
-                "y": 21
+                "y": 22
             },
             "hiddenSeries": false,
             "id": 48,
@@ -530,7 +529,7 @@
                     "calculatedInterval": "2m",
                     "datasourceErrors": {},
                     "errors": {},
-                    "expr": "topk(5, avg by (service_name,schema,table) (rate(mysql_info_schema_table_statistics_rows_read_total{service_name=~\"$service_name\"}[$interval]))>0) or \ntopk(5, avg by (service_name,schema,table) (irate(mysql_info_schema_table_statistics_rows_read_total{service_name=~\"$service_name\"}[5m]))>0)",
+                    "expr": "topk(5, (avg by (service_name, schema, table) (rate(mysql_info_schema_table_statistics_rows_read_total{service_name=~\"$service_name\"}[$interval])) or avg by (service_name, schema, table) (label_replace(rate(mysql_perf_schema_table_io_waits_total{service_name=~\"$service_name\", operation=\"fetch\"}[$interval]), \"table\", \"$1\", \"name\", \"(.*)\"))) > 0) or topk(5, (avg by (service_name, schema, table) (irate(mysql_info_schema_table_statistics_rows_read_total{service_name=~\"$service_name\"}[5m])) or avg by (service_name, schema, table) (label_replace(irate(mysql_perf_schema_table_io_waits_total{service_name=~\"$service_name\", operation=\"fetch\"}[5m]), \"table\", \"$1\", \"name\", \"(.*)\"))) > 0)",
                     "format": "time_series",
                     "interval": "$interval",
                     "intervalFactor": 1,
@@ -580,7 +579,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 29
+                "y": 30
             },
             "id": 59,
             "panels": [],
@@ -608,7 +607,7 @@
                 "h": 8,
                 "w": 24,
                 "x": 0,
-                "y": 30
+                "y": 31
             },
             "hiddenSeries": false,
             "id": 42,
@@ -650,7 +649,7 @@
                     "calculatedInterval": "2m",
                     "datasourceErrors": {},
                     "errors": {},
-                    "expr": "topk(5, avg by (service_name,schema,table) (rate(mysql_info_schema_table_statistics_rows_changed_total{service_name=~\"$service_name\"}[$interval])>0)) or topk(5, avg by (service_name,schema,table) (irate(mysql_info_schema_table_statistics_rows_changed_total{service_name=~\"$service_name\"}[5m]))>0)",
+                    "expr": "topk(5, (avg by (service_name, schema, table) (rate(mysql_info_schema_table_statistics_rows_changed_total{service_name=~\"$service_name\"}[$interval])) or sum by (service_name, schema, table) (label_replace(rate(mysql_perf_schema_table_io_waits_total{service_name=~\"$service_name\", operation=~\"insert|update|delete\"}[$interval]), \"table\", \"$1\", \"name\", \"(.*)\"))) > 0) or topk(5, (avg by (service_name, schema, table) (irate(mysql_info_schema_table_statistics_rows_changed_total{service_name=~\"$service_name\"}[5m])) or sum by (service_name, schema, table) (label_replace(irate(mysql_perf_schema_table_io_waits_total{service_name=~\"$service_name\", operation=~\"insert|update|delete\"}[5m]), \"table\", \"$1\", \"name\", \"(.*)\"))) > 0)",
                     "format": "time_series",
                     "interval": "$interval",
                     "intervalFactor": 1,
@@ -700,7 +699,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 38
+                "y": 39
             },
             "id": 60,
             "panels": [],
@@ -721,7 +720,7 @@
                 "h": 7,
                 "w": 24,
                 "x": 0,
-                "y": 39
+                "y": 40
             },
             "height": "",
             "hideTimeOverride": true,
@@ -998,7 +997,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 46
+                "y": 47
             },
             "id": 293,
             "panels": [
@@ -2283,7 +2282,7 @@
                 "h": 1,
                 "w": 24,
                 "x": 0,
-                "y": 47
+                "y": 48
             },
             "id": 291,
             "panels": [
diff --git a/managed/data/checks/mysql_innodb_redo_logs_not_sized_correctly.yml b/managed/data/checks/mysql_innodb_redo_logs_not_sized_correctly.yml
index 04090c4880d..bf261bf6728 100644
--- a/managed/data/checks/mysql_innodb_redo_logs_not_sized_correctly.yml
+++ b/managed/data/checks/mysql_innodb_redo_logs_not_sized_correctly.yml
@@ -19,11 +19,11 @@ checks:
           range: 168h
           step: 5m
       - type: METRICS_INSTANT
-        query: avg by (service_name) (mysql_global_variables_innodb_log_files_in_group{service_name=~"{{.ServiceName}}"} * mysql_global_variables_innodb_log_file_size{service_name=~"{{.ServiceName}}"})
+        query: avg by (service_name) (mysql_global_variables_innodb_redo_log_capacity{service_name=~"{{.ServiceName}}"}) or avg by (service_name) (mysql_global_variables_innodb_log_files_in_group{service_name=~"{{.ServiceName}}"} * mysql_global_variables_innodb_log_file_size{service_name=~"{{.ServiceName}}"})
         parameters:
           lookback: 5m
       - type: METRICS_RANGE
-        query: " (avg by (service_name) (max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"{{.ServiceName}}\"}[1h]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"{{.ServiceName}}\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[1h]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[5m]))) * 100 / (avg by (service_name) (max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"{{.ServiceName}}\"}[5m]) or  max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[5m]) or  max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[5m])))\""
+        query: " (avg by (service_name) (max_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"{{.ServiceName}}\"}[1h]) or max_over_time(mysql_innodb_redo_log_checkpoint_age_ratio{service_name=~\"{{.ServiceName}}\"}[5m])) * 100) or (avg by (service_name) (max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_global_status_innodb_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"{{.ServiceName}}\"}[1h]) or max_over_time(mysql_info_schema_innodb_metrics_recovery_log_lsn_checkpoint_age_total{service_name=~\"{{.ServiceName}}\"}[5m]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[1h]) or max_over_time(mysql_info_schema_innodb_metrics_log_log_lsn_checkpoint_age{service_name=~\"{{.ServiceName}}\"}[5m]))) * 100 / (avg by (service_name) (max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_global_status_innodb_checkpoint_max_age{service_name=~\"{{.ServiceName}}\"}[5m]) or  max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_info_schema_innodb_metrics_recovery_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[5m]) or  max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[1h]) or  max_over_time(mysql_info_schema_innodb_metrics_log_log_max_modified_age_async{service_name=~\"{{.ServiceName}}\"}[5m])))\""
         parameters:
           range: 168h
           step: 5m
@@ -43,30 +43,49 @@ checks:
           redo_log_size = 0
           logsWritten = []
 
-          redo_log_size = int(docs[2][0]["value"][1])
+          # MySQL 8.0.30 replaced innodb_log_file_size/innodb_log_files_in_group with
+          # innodb_redo_log_capacity, and MySQL 9.x dropped the legacy variables
+          # entirely. Both spellings are queried, but if neither is exposed there is
+          # no size to compare the written redo against, so bail out instead of
+          # falling through with a zero size and flagging every sample as a spike.
+          if len(docs[2]) == 0:
+              return None
+          redo_log_size = int(float(docs[2][0]["value"][1]))
+          if redo_log_size <= 0:
+              return None
 
+          if len(docs[1]) == 0 or len(docs[1][0]["values"]) == 0:
+              return None
+
+          # Sample values arrive as strings and increase() can yield fractional
+          # results, so parse them as floats. int() would reject "123.5".
           for row in docs[1][0]["values"]:
-              logsWritten.append(row[1])
-              logs_written_tot = int(logs_written_tot) + int(row[1])
-              if logs_written_max < int(row[1]):
-                logs_written_max = int(row[1])
-              cnt = int(cnt) + 1
-              if int(row[1]) > redo_log_size:
-                  cnt_high = int(cnt_high) + 1
-          logs_written_avg = logs_written_tot / int(cnt) / 1024 / 1024
+              logs_written = float(row[1])
+              logsWritten.append(logs_written)
+              logs_written_tot = logs_written_tot + logs_written
+              if logs_written_max < logs_written:
+                logs_written_max = logs_written
+              cnt = cnt + 1
+              if logs_written > redo_log_size:
+                  cnt_high = cnt_high + 1
+          logs_written_avg = logs_written_tot / cnt / 1024 / 1024
 
           checkpoint_age_usage_perc = []
           chkpt_alert = 0
-          for row in docs[3][0]["values"]:
-              checkpoint_age_usage_perc.append(row[1])
-              if float(row[1]) > 80:
-                  chkpt_alert = int(chkpt_alert) + 1
+          # Checkpoint age samples are optional. Without them only the
+          # checkpoint age error below is skipped, the write volume warning
+          # still applies since it needs docs[1] and docs[2] only.
+          if len(docs[3]) > 0:
+              for row in docs[3][0]["values"]:
+                  checkpoint_age_usage_perc.append(row[1])
+                  if float(row[1]) > 80:
+                      chkpt_alert = chkpt_alert + 1
 
           if chkpt_alert > 1:
               return {
                   "summary": "Redo log size check.",
                   "read_more": "https://percona.com/blog",
-                  "description": "Current total redo log size is {}M. It is noted that the checkpoint age is utilizing more than 80% of maximum checkpoint age. In such cases the blocks are flushed synchronously and can cause the degraded performance. It is important to revise the redo_log_size. The average logs written in past 24h is {}M with spikes above redo_log_size being {}% of total samples with max written redolog size being {}M.".format(int(redo_log_size/1024/1024),int(logs_written_avg), int(cnt_high*100/cnt),int(logs_written_max/1024/1024)),
+                  "description": "Current total redo log size is {}M. It is noted that the checkpoint age is utilizing more than 80% of the total redo log capacity (of the maximum checkpoint age on servers older than MySQL 8.0.30). In such cases the blocks are flushed synchronously and can cause the degraded performance. It is important to revise the redo_log_size. The average redo written per hour over the past 7 days is {}M with spikes above redo_log_size being {}% of total samples with max written redolog size being {}M.".format(int(redo_log_size/1024/1024),int(logs_written_avg), int(cnt_high*100/cnt),int(logs_written_max/1024/1024)),
                   "severity": "error",
                   "labels": {
                       "mysql_version": "{}".format(version),
@@ -78,7 +97,7 @@ checks:
               return {
                   "summary": "Redo log size check.",
                   "read_more": "https://percona.com/blog",
-                  "description": "Current total redo log size is {}M. The relo log written are more than the configured though this hasn't caused system degradation. The average logs written in past 24h is {}M with spikes above redo_log_size being {}% of total samples with max written redolog size being {}M. ".format(int(redo_log_size/1024/1024),int(logs_written_avg), int(cnt_high*100/cnt),int(logs_written_max/1024/1024)),
+                  "description": "Current total redo log size is {}M. The relo log written are more than the configured though this hasn't caused system degradation. The average redo written per hour over the past 7 days is {}M with spikes above redo_log_size being {}% of total samples with max written redolog size being {}M. ".format(int(redo_log_size/1024/1024),int(logs_written_avg), int(cnt_high*100/cnt),int(logs_written_max/1024/1024)),
                   "severity": "warning",
                   "labels": {
                       "mysql_version": "{}".format(version),