xyuanlu commented on a change in pull request #1456:
URL: https://github.com/apache/helix/pull/1456#discussion_r508891147
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File path:
helix-core/src/main/java/org/apache/helix/controller/GenericHelixController.java
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@@ -172,13 +173,15 @@
private boolean _inMaintenanceMode;
/**
- * The timer that can periodically run the rebalancing pipeline. The timer
will start if there is
- * one resource group has the config to use the timer.
+ * The executors that can periodically run the rebalancing pipeline. A
+ * SingleThreadScheduledExecutor will start if there is resource group that
has the config to do
+ * periodically rebalance.
*/
- Timer _periodicalRebalanceTimer = null;
+ private static final ScheduledExecutorService _periodicalRebalanceExecutor =
+ Executors.newSingleThreadScheduledExecutor();
Review comment:
I think this is a valid suggestion. However, I did not find
setRemoveOnCancelPolicy() for interface ScheduledExecutorService we are using
here..
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