richardstartin commented on a change in pull request #7927:
URL: https://github.com/apache/pinot/pull/7927#discussion_r771823033
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/LLRealtimeSegmentDataManager.java
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@@ -543,14 +550,14 @@ private void processStreamEvents(MessageBatch
messagesAndOffsets, long idlePipeS
_currentOffset =
messagesAndOffsets.getNextStreamParitionMsgOffsetAtIndex(index);
_numRowsIndexed = _realtimeSegment.getNumDocsIndexed();
- _numRowsConsumed++;
streamMessageCount++;
+ NUM_ROWS_CONSUMED_UPDATER.incrementAndGet(this);
Review comment:
Concurrency bug: non atomic operation on a volatile variable with
undefined results. I believe this may have resulted in the wrong number of rows
in segment metadata but I haven't tracked where this value goes further than
`SegmentCompletionProtocol`
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