0xffff-zhiyan commented on code in PR #20481:
URL: https://github.com/apache/kafka/pull/20481#discussion_r2445268484
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core/src/main/scala/kafka/server/KafkaRequestHandler.scala:
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@@ -112,7 +114,10 @@ class KafkaRequestHandler(
val req = requestChannel.receiveRequest(300)
val endTime = time.nanoseconds
val idleTime = endTime - startSelectTime
- aggregateIdleMeter.mark(idleTime / totalHandlerThreads.get)
+ // Per-pool idle ratio uses the pool's own thread count as denominator
+ perPoolIdleMeter.mark(idleTime / poolHandlerThreads.get)
+ // Aggregate idle ratio uses the total threads across all pools as
denominator
+ aggregateIdleMeter.mark(idleTime / aggregateThreads.get)
Review Comment:
> I don't think this is true. The yammer metrics registry returns the same
meter when you create two meters with the same name.
sorry I was wrong, yes if the names are the same the metrics registry
returns the same meter
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