chia7712 commented on code in PR #20246:
URL: https://github.com/apache/kafka/pull/20246#discussion_r2563538500
##########
core/src/main/java/kafka/server/share/SharePartition.java:
##########
@@ -1762,10 +1779,57 @@ private List<AcquiredRecords> createBatches(
.setLastOffset(lastAcquiredOffset)
.setDeliveryCount((short) 1));
- result.forEach(acquiredRecords -> {
- // Schedule acquisition lock timeout for the batch.
- AcquisitionLockTimerTask timerTask =
scheduleAcquisitionLockTimeout(memberId, acquiredRecords.firstOffset(),
acquiredRecords.lastOffset());
- // Add the new batch to the in-flight records along with the
acquisition lock timeout task for the batch.
+ if (isRecordLimitMode) {
+ // In record_limit mode, there will always be only one single
batch in the result.
+ AcquiredRecords acquiredRecords = result.get(0);
+ // When the count of acquired records exceeds the max fetch
limit, only initialize and schedule acquisition lock for
+ // acquired records up to the max fetch boundary and remaining
offsets should still in available state.
+ // i.e. acquired records are 10-19 (10 records) and max fetch
records is 5, then only 10-14 should be acquired
+ // and offset 15-19 should still in available state.
+ if (acquiredRecords.lastOffset() -
acquiredRecords.firstOffset() + 1 > maxFetchRecords) {
+ InFlightBatch inFlightBatch = new InFlightBatch(
+ timer,
+ time,
+ memberId,
+ acquiredRecords.firstOffset(),
+ acquiredRecords.lastOffset(),
+ RecordState.ACQUIRED,
+ 1,
+ null,
+ timeoutHandler,
+ sharePartitionMetrics);
+ int delayMs =
recordLockDurationMsOrDefault(groupConfigManager, groupId,
defaultRecordLockDurationMs);
+ long lastOffset = acquiredRecords.firstOffset() +
maxFetchRecords - 1;
+ acquiredRecords.setLastOffset(lastOffset);
+ inFlightBatch.maybeInitializeOffsetStateUpdate(lastOffset,
delayMs);
+ updateFindNextFetchOffset(true);
+
+ cachedState.put(acquiredRecords.firstOffset(),
inFlightBatch);
+ sharePartitionMetrics.recordInFlightBatchMessageCount(
+ acquiredRecords.lastOffset() -
acquiredRecords.firstOffset() + 1);
Review Comment:
> The line acquiredRecords.setLastOffset(lastOffset);, should appear after
the metric value is recorded
Ah, I think you've identified the true issue :smile: @JimmyWang6 would you
mind addressing it in #20973?
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