junrao commented on code in PR #20088:
URL: https://github.com/apache/kafka/pull/20088#discussion_r2193122322
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core/src/main/scala/kafka/server/ReplicaManager.scala:
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@@ -1852,7 +1852,11 @@ class ReplicaManager(val config: KafkaConfig,
// Once we read from a non-empty partition, we stop ignoring request and
partition level size limits
if (recordBatchSize > 0)
minOneMessage = false
- limitBytes = math.max(0, limitBytes - recordBatchSize)
+ // Because we don't know how much data will be retrieved in remote fetch
yet, and we don't want to block the API call
+ // to query remoteLogMetadata, assume it will fetch the max bytes size
of data to avoid to exceed the "fetch.max.bytes" setting.
+ val estimatedRecordBatchSize = if (recordBatchSize == 0 &&
readResult.info.delayedRemoteStorageFetch.isPresent)
+ readResult.info.delayedRemoteStorageFetch.get.fetchMaxBytes else
recordBatchSize
Review Comment:
@showuon : Thanks for the explanation. Sounds good.
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