NealSun96 commented on a change in pull request #1151:
URL: https://github.com/apache/helix/pull/1151#discussion_r454703877
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File path:
helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixAdmin.java
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@@ -1861,24 +1861,28 @@ public boolean enableWagedRebalance(String clusterName,
List<String> resourceNam
HelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new
ZkBaseDataAccessor<>(_zkClient));
PropertyKey.Builder keyBuilder = accessor.keyBuilder();
+ List<IdealState> enabledIdealStates = new ArrayList<>();
+ List<PropertyKey> enabledIdealStateKeys = new ArrayList<>();
+ List<String> enabledResourceNames = new ArrayList<>();
+
List<IdealState> idealStates =
accessor.getChildValues(keyBuilder.idealStates(), true);
- List<String> nullIdealStates = new ArrayList<>();
- for (int i = 0; i < idealStates.size(); i++) {
- if (idealStates.get(i) == null) {
- nullIdealStates.add(resourceNames.get(i));
- } else {
-
idealStates.get(i).setRebalancerClassName(WagedRebalancer.class.getName());
- idealStates.get(i).setRebalanceMode(RebalanceMode.FULL_AUTO);
+ for (IdealState idealState : idealStates) {
+ if (idealState != null &&
resourceNames.contains(idealState.getResourceName())) {
+ idealState.setRebalancerClassName(WagedRebalancer.class.getName());
+ idealState.setRebalanceMode(RebalanceMode.FULL_AUTO);
+ enabledIdealStates.add(idealState);
+
enabledIdealStateKeys.add(keyBuilder.idealStates(idealState.getResourceName()));
+ enabledResourceNames.add(idealState.getResourceName());
}
}
- if (!nullIdealStates.isEmpty()) {
+ List<String> resourcesNotFound =
+ resourceNames.stream().filter(resourceName ->
!enabledResourceNames.contains(resourceName))
+ .collect(Collectors.toList());
+ if (!resourcesNotFound.isEmpty()) {
Review comment:
I want to show what resources don't have idealStates, otherwise I don't
think it's informative enough.
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