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Suppress polling logs by event name #11947

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Rohit Ranjan (RohitRanjanMS) wants to merge 3 commits into
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Suppress polling logs by event name #11947

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39c15f8
Suppress additional polling logs
RohitRanjanMS Aug 27, 2026
2b5161a
Filter polling logs by event name
RohitRanjanMS Sep 16, 2026
140705f
Suppress high-volume blob scan events
RohitRanjanMS Sep 16, 2026
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4 changes: 4 additions & 0 deletions src/WebJobs.Script/Extensions/ScriptLoggingBuilderExtensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,12 @@ public static class ScriptLoggingBuilderExtensions
// suppressed to reduce noise in the FunctionsLogs table.
private static readonly HashSet<string> _suppressedCategories = new(StringComparer.Ordinal)
{
"Host.Triggers.Kafka",
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"Microsoft.Azure.WebJobs.EventHubs.Listeners.EventHubListener.PartitionProcessor",
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"Microsoft.Azure.WebJobs.Extensions.Storage.Common.Listeners.QueueListener",
"Microsoft.Azure.WebJobs.Extensions.Storage.Blobs.Listeners.BlobListener",
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"Microsoft.Azure.WebJobs.EventHubs.EventHubProducerClientImpl",
"Microsoft.Azure.WebJobs.Host.Queues.Listeners.QueueListener",
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"Host.Executor"
};

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16 changes: 16 additions & 0 deletions test/WebJobs.Script.Tests/Extensions/ScriptLoggingBuilderExtensionsTests.cs
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Expand Up @@ -62,6 +62,14 @@ public void Filter_RespectsMinLevelAndCategory(string category, LogLevel actualL
[InlineData("Microsoft.Azure.WebJobs.EventHubs.EventHubProducerClientImpl", LogLevel.Trace)]
[InlineData("Host.Executor", LogLevel.Debug)]
[InlineData("Host.Executor", LogLevel.Trace)]
[InlineData("Microsoft.Azure.WebJobs.EventHubs.Listeners.EventHubListener.PartitionProcessor", LogLevel.Debug)]
[InlineData("Microsoft.Azure.WebJobs.EventHubs.Listeners.EventHubListener.PartitionProcessor", LogLevel.Trace)]
[InlineData("Microsoft.Azure.WebJobs.Extensions.Storage.Blobs.Listeners.BlobListener", LogLevel.Debug)]
[InlineData("Microsoft.Azure.WebJobs.Extensions.Storage.Blobs.Listeners.BlobListener", LogLevel.Trace)]
[InlineData("Host.Triggers.Kafka", LogLevel.Debug)]
[InlineData("Host.Triggers.Kafka", LogLevel.Trace)]
[InlineData("Microsoft.Azure.WebJobs.Host.Queues.Listeners.QueueListener", LogLevel.Debug)]
[InlineData("Microsoft.Azure.WebJobs.Host.Queues.Listeners.QueueListener", LogLevel.Trace)]
public void Filter_SuppressedCategory_DebugAndTrace_ReturnsFalse(string category, LogLevel level)
{
Assert.False(ScriptLoggingBuilderExtensions.Filter(category, level, LogLevel.Trace));
Expand All @@ -74,6 +82,14 @@ public void Filter_SuppressedCategory_DebugAndTrace_ReturnsFalse(string category
[InlineData("Microsoft.Azure.WebJobs.EventHubs.EventHubProducerClientImpl", LogLevel.Error)]
[InlineData("Host.Executor", LogLevel.Information)]
[InlineData("Host.Executor", LogLevel.Critical)]
[InlineData("Microsoft.Azure.WebJobs.EventHubs.Listeners.EventHubListener.PartitionProcessor", LogLevel.Information)]
[InlineData("Microsoft.Azure.WebJobs.EventHubs.Listeners.EventHubListener.PartitionProcessor", LogLevel.Warning)]
[InlineData("Microsoft.Azure.WebJobs.Extensions.Storage.Blobs.Listeners.BlobListener", LogLevel.Information)]
[InlineData("Microsoft.Azure.WebJobs.Extensions.Storage.Blobs.Listeners.BlobListener", LogLevel.Error)]
[InlineData("Host.Triggers.Kafka", LogLevel.Information)]
[InlineData("Host.Triggers.Kafka", LogLevel.Critical)]
[InlineData("Microsoft.Azure.WebJobs.Host.Queues.Listeners.QueueListener", LogLevel.Information)]
[InlineData("Microsoft.Azure.WebJobs.Host.Queues.Listeners.QueueListener", LogLevel.Warning)]
public void Filter_SuppressedCategory_InformationAndAbove_ReturnsTrue(string category, LogLevel level)
{
Assert.True(ScriptLoggingBuilderExtensions.Filter(category, level, LogLevel.Trace));
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