Yunyung commented on code in PR #19613:
URL: https://github.com/apache/kafka/pull/19613#discussion_r2072290801
##########
storage/src/main/java/org/apache/kafka/storage/internals/log/UnifiedLog.java:
##########
@@ -2416,15 +2416,14 @@ public static void
rebuildProducerState(ProducerStateManager producerStateManage
Time time,
boolean reloadFromCleanShutdown,
String logPrefix) throws
IOException {
- List<Optional<Long>> offsetsToSnapshot = new ArrayList<>();
- if (segments.nonEmpty()) {
- long lastSegmentBaseOffset =
segments.lastSegment().get().baseOffset();
- Optional<LogSegment> lowerSegment =
segments.lowerSegment(lastSegmentBaseOffset);
- Optional<Long> nextLatestSegmentBaseOffset =
lowerSegment.map(LogSegment::baseOffset);
- offsetsToSnapshot.add(nextLatestSegmentBaseOffset);
- offsetsToSnapshot.add(Optional.of(lastSegmentBaseOffset));
- }
- offsetsToSnapshot.add(Optional.of(lastOffset));
+ List<Long> offsetsToSnapshot = new ArrayList<>();
+ segments.lastSegment().ifPresent(lastSegment -> {
+ long lastSegmentBaseOffset = lastSegment.baseOffset();
+ Optional<Long> nextLatestSegmentBaseOffset =
segments.lowerSegment(lastSegmentBaseOffset).map(LogSegment::baseOffset);
Review Comment:
Done. Thanks.
##########
storage/src/main/java/org/apache/kafka/storage/internals/log/UnifiedLog.java:
##########
@@ -2443,11 +2442,9 @@ public static void
rebuildProducerState(ProducerStateManager producerStateManage
// To avoid an expensive scan through all the segments, we take
empty snapshots from the start of the
// last two segments and the last offset. This should avoid the
full scan in the case that the log needs
// truncation.
- for (Optional<Long> offset : offsetsToSnapshot) {
- if (offset.isPresent()) {
- producerStateManager.updateMapEndOffset(offset.get());
- producerStateManager.takeSnapshot();
- }
+ for (Long offset : offsetsToSnapshot) {
Review Comment:
Done.
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