edoardocomar commented on a change in pull request #4204:
URL: https://github.com/apache/kafka/pull/4204#discussion_r419313971
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File path: core/src/main/scala/kafka/server/ReplicaManager.scala
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@@ -1035,11 +1035,13 @@ class ReplicaManager(val config: KafkaConfig,
val partitionFetchSize = fetchInfo.maxBytes
val followerLogStartOffset = fetchInfo.logStartOffset
- brokerTopicStats.topicStats(tp.topic).totalFetchRequestRate.mark()
- brokerTopicStats.allTopicsStats.totalFetchRequestRate.mark()
-
val adjustedMaxBytes = math.min(fetchInfo.maxBytes, limitBytes)
try {
+ brokerTopicStats.allTopicsStats.totalFetchRequestRate.mark()
+ if (allPartitions.contains(tp)) {
Review comment:
This PR makes the issue less likely to happen. It's not bulletproof but
we've been using this patch in production for years and has worked great for
us. Heuristic and pragmatic...
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