chirag-wadhwa5 commented on code in PR #18696: URL: https://github.com/apache/kafka/pull/18696#discussion_r1935657591
########## 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 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org