chirag-wadhwa5 commented on code in PR #18696:
URL: https://github.com/apache/kafka/pull/18696#discussion_r1935657591
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core/src/main/java/kafka/server/share/SharePartition.java:
##########
@@ -1847,19 +1948,30 @@ private boolean isRecordStateAcknowledged(RecordState
recordState) {
return recordState == RecordState.ACKNOWLEDGED || recordState ==
RecordState.ARCHIVED;
}
- private long findLastOffsetAcknowledged() {
- lock.readLock().lock();
+ // Visible for testing
+ long findLastOffsetAcknowledged() {
long lastOffsetAcknowledged = -1;
+ lock.readLock().lock();
try {
for (NavigableMap.Entry<Long, InFlightBatch> entry :
cachedState.entrySet()) {
InFlightBatch inFlightBatch = entry.getValue();
if (inFlightBatch.offsetState() == null) {
if
(!isRecordStateAcknowledged(inFlightBatch.batchState())) {
return lastOffsetAcknowledged;
}
+ // If initialReadGapOffset.gapStartOffset is less than or
equal to the last offset of the batch
+ // then we cannot identify the current inFlightBatch as
acknowledged. All the offsets between
+ // initialReadGapOffset.gapStartOffset and
initialReadGapOffset.endOffset should always be present
+ // in the cachedState
+ if (isInitialReadGapOffsetWindowActive() &&
inFlightBatch.lastOffset() >= initialReadGapOffset.gapStartOffset()) {
+ return lastOffsetAcknowledged;
+ }
lastOffsetAcknowledged = inFlightBatch.lastOffset();
} else {
for (Map.Entry<Long, InFlightState> offsetState :
inFlightBatch.offsetState.entrySet()) {
+ if (isInitialReadGapOffsetWindowActive() &&
offsetState.getKey() >= initialReadGapOffset.gapStartOffset()) {
+ return lastOffsetAcknowledged;
+ }
Review Comment:
Hi, the explanation above in in
https://github.com/apache/kafka/pull/18696#discussion_r1935655073 extends to
this query as well. Thanks
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