xyuanlu commented on code in PR #2736:
URL: https://github.com/apache/helix/pull/2736#discussion_r1464373219
##########
helix-rest/src/main/java/org/apache/helix/rest/clusterMaintenanceService/StoppableInstancesSelector.java:
##########
@@ -129,32 +136,53 @@ public ObjectNode
getStoppableInstancesCrossZones(List<String> instances,
if (instanceSet.isEmpty()) {
continue;
}
- populateStoppableInstances(new ArrayList<>(instanceSet),
toBeStoppedInstancesSet, stoppableInstances,
- failedStoppableInstances);
+ populateStoppableInstances(new ArrayList<>(instanceSet),
toBeStoppedInstancesSet,
+ stoppableInstances, failedStoppableInstances,
+ _maxAdditionalOfflineInstances - toBeStoppedInstancesSet.size());
}
processNonexistentInstances(instances, failedStoppableInstances);
return result;
}
private void populateStoppableInstances(List<String> instances, Set<String>
toBeStoppedInstances,
- ArrayNode stoppableInstances, ObjectNode failedStoppableInstances)
throws IOException {
+ ArrayNode stoppableInstances, ObjectNode failedStoppableInstances,
+ int allowedOfflineInstances) throws IOException {
Map<String, StoppableCheck> instancesStoppableChecks =
_maintenanceService.batchGetInstancesStoppableChecks(_clusterId,
instances,
_customizedInput, toBeStoppedInstances);
for (Map.Entry<String, StoppableCheck> instanceStoppableCheck :
instancesStoppableChecks.entrySet()) {
String instance = instanceStoppableCheck.getKey();
StoppableCheck stoppableCheck = instanceStoppableCheck.getValue();
- if (!stoppableCheck.isStoppable()) {
- ArrayNode failedReasonsNode =
failedStoppableInstances.putArray(instance);
- for (String failedReason : stoppableCheck.getFailedChecks()) {
-
failedReasonsNode.add(JsonNodeFactory.instance.textNode(failedReason));
- }
- } else {
+ if (stoppableCheck.isStoppable() && allowedOfflineInstances > 0) {
stoppableInstances.add(instance);
// Update the toBeStoppedInstances set with the currently identified
stoppable instance.
// This ensures that subsequent checks in other zones are aware of
this instance's stoppable status.
toBeStoppedInstances.add(instance);
+ allowedOfflineInstances--;
+ continue;
+ }
+ ArrayNode failedReasonsNode =
failedStoppableInstances.putArray(instance);
+ boolean failedHelixOwnChecks = false;
+ if (allowedOfflineInstances <= 0) {
Review Comment:
==0 should be fine...?
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