kamalcph commented on code in PR #14330:
URL: https://github.com/apache/kafka/pull/14330#discussion_r1318097152
##########
core/src/main/java/kafka/log/remote/RemoteLogManager.java:
##########
@@ -853,35 +853,50 @@ public boolean
deleteRetentionTimeBreachedSegments(RemoteLogSegmentMetadata meta
return isSegmentDeleted;
}
- private boolean
deleteLogStartOffsetBreachedSegments(RemoteLogSegmentMetadata metadata, long
startOffset)
+ private boolean
deleteLogStartOffsetBreachedSegments(RemoteLogSegmentMetadata metadata,
+ long
logStartOffset,
+
NavigableMap<Integer, Long> leaderEpochEntries)
throws RemoteStorageException, ExecutionException,
InterruptedException {
- boolean isSegmentDeleted = deleteRemoteLogSegment(metadata, x
-> startOffset > x.endOffset());
- if (isSegmentDeleted && retentionSizeData.isPresent()) {
- remainingBreachedSize = Math.max(0, remainingBreachedSize
- metadata.segmentSizeInBytes());
- logger.info("Deleted remote log segment {} due to log
start offset {} breach", metadata.remoteLogSegmentId(), startOffset);
+ boolean isSegmentDeleted = deleteRemoteLogSegment(metadata,
ignored -> {
+ if (!leaderEpochEntries.isEmpty()) {
+ // Note that `logStartOffset` and
`leaderEpochEntries.firstEntry().getValue()` should be same
+ Integer firstEpoch = leaderEpochEntries.firstKey();
+ return
metadata.segmentLeaderEpochs().keySet().stream().allMatch(epoch -> epoch <=
firstEpoch)
+ && metadata.endOffset() < logStartOffset;
+ }
+ return false;
+ });
+ if (isSegmentDeleted) {
+ remainingBreachedSize = retentionSizeData.isPresent() ?
Review Comment:
Good point! Addressed your review comment. PTAL.
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