jiajunwang commented on a change in pull request #1326:
URL: https://github.com/apache/helix/pull/1326#discussion_r483221807
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/rebalancer/util/RebalanceScheduler.java
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@@ -80,6 +80,7 @@ public void scheduleRebalance(HelixManager manager, String
resource, long startT
long delay = startTime - System.currentTimeMillis();
if (delay < 0) {
LOG.debug(String.format("Delay time is %s, will not be scheduled",
delay));
+ return;
Review comment:
I'm not convinced this should not be scheduled. I believe the expected
behavior is triggering the rebalance immediately. In this case, we shall fix
the log not the logic.
Overall, if the caller wants to schedule a rebalance, then it should be
done. It is the caller responsibility to decide whether it is necessary. The
scheduler should ensure it happens. Otherwise, we may miss the event by not
doing anything. That will be a real bug.
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