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Fix/reduce max tasks #424

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Fix/reduce max tasks #424

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69b4c2f
fix: reduce max tasks per worker to 1
sergio-recrod Jan 5, 2026
2814184
fix: configuration prefetch argument
sergio-recrod Jan 5, 2026
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4 changes: 2 additions & 2 deletions src/matchbox/server/uploads.py
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Original file line number Diff line number Diff line change
Expand Up @@ -162,10 +162,10 @@ def s3_to_recordbatch(
task_acks_late=True,
# Reduce pre-fetching (workers reserving tasks while they're still busy)
# as it's not ideal for long-running tasks
prefetch_multiplier=1,
worker_prefetch_multiplier=1,
# Limit number of tasks a worker can complete before restarting
# This may prevent OOM errors caused by memory not being deallocated properly
worker_max_tasks_per_child=5,
worker_max_tasks_per_child=1,
)


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