deepthi912 commented on code in PR #17458:
URL: https://github.com/apache/pinot/pull/17458#discussion_r2677608225
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pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/ConcurrentMapPartitionUpsertMetadataManagerForConsistentDeletes.java:
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@@ -375,17 +375,20 @@ protected void
revertCurrentSegmentUpsertMetadata(IndexSegment oldSegment, Threa
// Revert to previous locations present in other segment
for (Map.Entry<Object, RecordLocation> obj :
_previousKeyToRecordLocationMap.entrySet()) {
IndexSegment prevSegment = obj.getValue().getSegment();
+ IndexSegment currentLocation = obj.getValue().getSegment();
Review Comment:
Not This change but updated check ensures that the current location of the
key is in the segment that is getting reverted and replaced with the valid doc.
Let's say a new immutable segment is pushed with a segment of greater time
stamp than the one in consuming segment that consumes next. The current
location would be with pushed segment but not with the current consuming
segment.
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