kishoreg commented on a change in pull request #3604: Add
ControllerLeadershipManager as single place to check controller leadership
changes
URL: https://github.com/apache/incubator-pinot/pull/3604#discussion_r240708324
##########
File path:
pinot-controller/src/main/java/com/linkedin/pinot/controller/helix/core/realtime/PinotRealtimeSegmentManager.java
##########
@@ -101,12 +101,7 @@ public void start(ControllerMetrics controllerMetrics) {
_zkClient.subscribeDataChanges(_tableConfigPath, this);
// Subscribe to leadership changes
- _pinotHelixResourceManager.getHelixZkManager().addControllerListener(new
ControllerChangeListener() {
- @Override
- public void onControllerChange(NotificationContext changeContext) {
- processPropertyStoreChange(CONTROLLER_LEADER_CHANGE);
- }
- });
+
ControllerLeadershipManager.getInstance().subscribe(PinotLLCRealtimeSegmentManager.class.getName(),
this);
Review comment:
what if the controller has already become the leader by the time we call
this?
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