showuon commented on code in PR #14128:
URL: https://github.com/apache/kafka/pull/14128#discussion_r1278858498
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core/src/main/java/kafka/log/remote/RemoteLogManager.java:
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@@ -525,6 +524,26 @@ private void maybeUpdateReadOffset(UnifiedLog log) throws
RemoteStorageException
}
}
+ List<EnrichedLogSegment> enrichedLogSegments(UnifiedLog log, Long
fromOffset, Long lastStableOffset) {
+ List<EnrichedLogSegment> enrichedLogSegments = new ArrayList<>();
+ List<LogSegment> segments =
JavaConverters.seqAsJavaList(log.nonActiveLogSegmentsFrom(fromOffset).toSeq());
+ if (!segments.isEmpty()) {
+ int idx = 1;
+ for (; idx < segments.size(); idx++) {
+ LogSegment previous = segments.get(idx - 1);
+ LogSegment current = segments.get(idx);
+ enrichedLogSegments.add(new EnrichedLogSegment(previous,
current.baseOffset()));
+ }
+ // LogSegment#readNextOffset() is an expensive call, so we
only call it when necessary.
+ int lastIdx = idx - 1;
+ if (segments.get(lastIdx).baseOffset() < lastStableOffset) {
+ LogSegment last = segments.get(lastIdx);
+ enrichedLogSegments.add(new EnrichedLogSegment(last,
last.readNextOffset()));
+ }
Review Comment:
Why can't we use the next segment's baseOffset here like the above did?
Also, I'm not very familiar with this, what's the difference between
`readNextOffset` and `baseOffset of next segment`?
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