junrao commented on code in PR #15825:
URL: https://github.com/apache/kafka/pull/15825#discussion_r1608984545
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core/src/main/scala/kafka/log/LocalLog.scala:
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@@ -370,11 +370,17 @@ class LocalLog(@volatile private var _dir: File,
throw new OffsetOutOfRangeException(s"Received request for offset
$startOffset for partition $topicPartition, " +
s"but we only have log segments upto $endOffset.")
- if (startOffset == maxOffsetMetadata.messageOffset)
+ if (startOffset == maxOffsetMetadata.messageOffset) {
emptyFetchDataInfo(maxOffsetMetadata, includeAbortedTxns)
- else if (startOffset > maxOffsetMetadata.messageOffset)
+ } else if (startOffset > maxOffsetMetadata.messageOffset ||
+ maxOffsetMetadata.messageOffsetOnly() ||
+ maxOffsetMetadata.segmentBaseOffset < segmentOpt.get.baseOffset) {
Review Comment:
Returning the current offset is correct. I am wondering why the suggested
approach returns nextOffset. `segment.read(startOffset, maxLength, maxPosition,
minOneMessage)` should return a non-null fetchDataInfo since the startOffset
exists in the first segment, right?
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