xiangfu0 commented on code in PR #14214:
URL: https://github.com/apache/pinot/pull/14214#discussion_r1800177576
##########
pinot-common/src/main/java/org/apache/pinot/common/utils/helix/IdealStateGroupCommit.java:
##########
@@ -124,34 +124,27 @@ public IdealState commit(HelixManager helixManager,
String resourceName,
Entry first = queue._pending.poll();
processed.add(first);
String mergedResourceName = first._resourceName;
- HelixDataAccessor dataAccessor = helixManager.getHelixDataAccessor();
- PropertyKey idealStateKey =
dataAccessor.keyBuilder().idealStates(resourceName);
- IdealState idealState = dataAccessor.getProperty(idealStateKey);
-
- // Make a copy of the idealState above to pass it to the updater
- // NOTE: new IdealState(idealState.getRecord()) does not work
because it's shallow copy for map fields and
- // list fields
- IdealState idealStateCopy = HelixHelper.cloneIdealState(idealState);
- /**
- * If the local cache does not contain a value, need to check if
there is a
- * value in ZK; use it as initial value if exists
- */
- IdealState updatedIdealState = first._updater.apply(idealStateCopy);
- first._updatedIdealState = updatedIdealState;
- Iterator<Entry> it = queue._pending.iterator();
- while (it.hasNext()) {
- Entry ent = it.next();
- if (!ent._resourceName.equals(mergedResourceName)) {
- continue;
- }
- processed.add(ent);
- updatedIdealState = ent._updater.apply(idealStateCopy);
- ent._updatedIdealState = updatedIdealState;
- it.remove();
- }
- IdealState finalUpdatedIdealState = updatedIdealState;
- updateIdealState(helixManager, resourceName, anyIdealState ->
finalUpdatedIdealState,
+ updateIdealState(helixManager, mergedResourceName, idealState -> {
+ // Make a copy of the idealState above to pass it to the
updater
+ // NOTE: new IdealState(idealState.getRecord()) does not work
because it's shallow copy for map fields
+ // and list fields
+ IdealState idealStateCopy =
HelixHelper.cloneIdealState(idealState);
+ IdealState updatedIdealState =
first._updater.apply(idealStateCopy);
+ first._updatedIdealState = updatedIdealState;
+ Iterator<Entry> it = queue._pending.iterator();
+ while (it.hasNext()) {
+ Entry ent = it.next();
+ if (!ent._resourceName.equals(mergedResourceName)) {
+ continue;
+ }
+ processed.add(ent);
+ updatedIdealState = ent._updater.apply(updatedIdealState);
+ ent._updatedIdealState = updatedIdealState;
+ it.remove();
Review Comment:
If the first retry failed, the second retry will have no entry to update.
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