GrantPSpencer commented on code in PR #2886:
URL: https://github.com/apache/helix/pull/2886#discussion_r1731625660
##########
helix-rest/src/main/java/org/apache/helix/rest/clusterMaintenanceService/MaintenanceManagementService.java:
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@@ -472,9 +472,15 @@ private MaintenanceManagementInstanceInfo
takeFreeSingleInstanceHelper(String cl
private List<String> batchHelixInstanceStoppableCheck(String clusterId,
Collection<String> instances, Map<String, StoppableCheck>
finalStoppableChecks,
Set<String> toBeStoppedInstances) {
+
+ // Perform all but min_active replicas check in parallel
Map<String, Future<StoppableCheck>> helixInstanceChecks =
instances.stream().collect(
Collectors.toMap(Function.identity(), instance -> POOL.submit(
() -> performHelixOwnInstanceCheck(clusterId, instance,
toBeStoppedInstances))));
+
+ // Perform min_active replicas check sequentially
+ addInstanceMinActiveReplicaCheck(helixInstanceChecks,
toBeStoppedInstances);
Review Comment:
Spoke offline with @MarkGaox , will look into leveraging
filterInstancesForNextCheck and getInstanceHealthStatus in an attempt to reduce
complexity added to code
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