apoorvmittal10 commented on code in PR #18696:
URL: https://github.com/apache/kafka/pull/18696#discussion_r1935808902
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core/src/main/java/kafka/server/share/SharePartition.java:
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@@ -2160,6 +2234,43 @@ private long startOffsetDuringInitialization(long
partitionDataStartOffset) thro
}
}
+ // Visible for testing
+ long findLastOffsetAcknowledged() {
+ lock.readLock().lock();
+ long lastOffsetAcknowledged = -1;
+ 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 (initialReadGapOffset != null &&
inFlightBatch.lastOffset() >= initialReadGapOffset.gapStartOffset()) {
+ return lastOffsetAcknowledged;
+ }
Review Comment:
The example is not clear i.e. what's 10-20 is at and what's the
gapStartOffset is at.
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