siddharthteotia commented on a change in pull request #5628:
URL: https://github.com/apache/incubator-pinot/pull/5628#discussion_r446411159
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File path:
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManager.java
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@@ -1796,16 +1796,16 @@ private boolean updateExistedSegment(String
tableNameWithType, String segmentNam
}
// Set all partitions to online so that they load the new segment data
- do {
- final IdealState idealState =
_helixAdmin.getResourceIdealState(_helixClusterName, tableNameWithType);
+ HelixHelper.updateIdealState(_helixZkManager, tableNameWithType,
idealState -> {
Review comment:
I thought this is always done using CAS where you try to update the
version in ZK and if the version update fails, it implies someone beat you
while updating the ideal state concurrently. In that case, you fetch the
updated ideal state again and start. Were we not following this protocol?
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