deepthi912 commented on code in PR #15829:
URL: https://github.com/apache/pinot/pull/15829#discussion_r2103623253
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManager.java:
##########
@@ -3860,7 +3862,9 @@ private String updateSegmentTargetTier(String
tableNameWithType, String segmentN
}
// Update the tier in segment ZK metadata and write it back to ZK.
segmentZKMetadata.setTier(targetTierName);
- updateZkMetadata(tableNameWithType, segmentZKMetadata,
segmentMetadataZNRecord.getVersion());
+ if (!enableParallelPushProtection) {
+ updateZkMetadata(tableNameWithType, segmentZKMetadata,
segmentMetadataZNRecord.getVersion());
Review Comment:
When `enableParallelPushProtection` is false, updateZkMetadata will kick in.
It is not no-op.
The point is there if there are tier changes on multiple segments, bringing
all that metadata back to `ZKOperator` to make zk updates doesn't seem right
when `enableParallelPushProtection` is set to false. In this case, it is ok to
have zk updates not on `ZKOperator` right?
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