deepthi912 commented on code in PR #16710:
URL: https://github.com/apache/pinot/pull/16710#discussion_r2350389535
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pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/BasePartitionUpsertMetadataManager.java:
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@@ -905,18 +905,25 @@ protected void doTakeSnapshot() {
segmentsWithoutSnapshot.add(immutableSegment);
continue;
}
+ ThreadSafeMutableRoaringBitmap queryableDocIdsBitMap = null;
+ ThreadSafeMutableRoaringBitmap validDocIdsBitMap =
+ immutableSegment.getValidDocIds() == null ? new
ThreadSafeMutableRoaringBitmap()
Review Comment:
Sometimes when loading a snapshot file: `loadDocIdsFromSnapshot` In many
cases, we are handling it creating it as new ThreadSafeMutableRoaringBitmap()
for null values, for the safer side I added this check to handle null values.
Also let's say we have segment compaction tasks running on a segment
removing all the validDocs, but until next iteration this segment will have 0
validDocs marking it EmptySegment. In such cases we might end up having null
values I think where empty segments remain in Pinot until they are deleted by
the next cycle of task generation.
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