jiajunwang commented on a change in pull request #519: Refine the rebalance
scope calculating logic in the WAGED rebalancer.
URL: https://github.com/apache/helix/pull/519#discussion_r337868386
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File path:
helix-core/src/main/java/org/apache/helix/controller/changedetector/ResourceChangeSnapshot.java
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@@ -72,6 +73,17 @@
_changedTypes = new HashSet<>(dataProvider.getRefreshedChangeTypes());
_instanceConfigMap = new HashMap<>(dataProvider.getInstanceConfigMap());
_idealStateMap = new HashMap<>(dataProvider.getIdealStates());
+ for (String resourceName : _idealStateMap.keySet()) {
+ IdealState orgIdealState = _idealStateMap.get(resourceName);
+ if
(orgIdealState.getRebalanceMode().equals(IdealState.RebalanceMode.FULL_AUTO)) {
+ IdealState trimmedIdealState = new
IdealState(orgIdealState.getRecord());
+ // For FullAuto resources, map fields and list fields in the
IdealStates is not user's input.
+ // So there is no need to detect any change in these 2 scopes.
Review comment:
Good point.
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