yifan-c commented on code in PR #211:
URL: https://github.com/apache/cassandra-sidecar/pull/211#discussion_r2004522493
##########
server/src/main/java/org/apache/cassandra/sidecar/coordination/ClusterLeaseClaimTask.java:
##########
@@ -144,7 +146,16 @@ public ScheduleDecision scheduleDecision()
@Override
public DurationSpec initialDelay()
{
- return periodicTaskConfiguration.initialDelay();
+ // Return a randomized delay to introduce jitter among all the
instances participating
+ // in the lease claim process
+ long randomDeltaDelayMillis = configuration.randomDeltaDelayMillis();
+ if (randomDeltaDelayMillis == 0)
+ {
+ // no jitter
+ return configuration.initialDelay();
+ }
+ long initialDelayMillis = configuration.initialDelay().toMillis() +
randomDeltaDelayMillis;
+ return new MillisecondBoundConfiguration(initialDelayMillis,
TimeUnit.MILLISECONDS);
Review Comment:
👍
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