xiangfu0 commented on code in PR #14237:
URL: https://github.com/apache/pinot/pull/14237#discussion_r1801644609
##########
pinot-common/src/main/java/org/apache/pinot/common/utils/helix/IdealStateGroupCommit.java:
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@@ -124,35 +125,44 @@ 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;
+ IdealState response = updateIdealState(helixManager,
mergedResourceName, idealState -> {
+ IdealState updatedIdealState = first._updater.apply(idealState);
+ first._updatedIdealState = updatedIdealState;
+ first._exception = null;
Review Comment:
I think there is retriable exception and non-retriable. E.g. Update IS
might be timed out.
You can refer to `HelixHelperTest`.
Here we rely on the RetryPolicy to fail eventually.
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