Samrat002 commented on code in PR #27921:
URL: https://github.com/apache/flink/pull/27921#discussion_r3135389690
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flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptive/Executing.java:
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@@ -182,6 +187,74 @@ public ScheduledFuture<?> scheduleOperation(Runnable
callback, Duration delay) {
return context.runIfState(this, callback, delay);
}
+ private static final Duration ACTIVE_CHECKPOINT_RETRY_DELAY =
Duration.ofSeconds(10);
+
+ @Override
+ public void requestActiveCheckpointTrigger() {
+ if (!activeCheckpointTriggerEnabled) {
+ return;
+ }
+
+ final CheckpointCoordinator checkpointCoordinator =
+ getExecutionGraph().getCheckpointCoordinator();
+
+ if (checkpointCoordinator == null
+ || !checkpointCoordinator.isPeriodicCheckpointingConfigured())
{
+ getLogger()
+ .debug(
+ "Skipping active checkpoint trigger for rescale:
checkpointing not configured.");
+ return;
+ }
+
+ if (!parallelismChanged()) {
+ getLogger()
+ .debug(
+ "Skipping active checkpoint trigger for rescale:
parallelism unchanged.");
+ return;
+ }
+
+ if (checkpointCoordinator.getNumberOfPendingCheckpoints() > 0
+ || checkpointCoordinator.isTriggering()) {
+ getLogger()
+ .debug(
+ "Skipping active checkpoint trigger for rescale:
checkpoint already in progress.");
+ return;
+ }
+
+ if (!checkpointCoordinator.isMinPauseBetweenCheckpointsSatisfied()) {
+ getLogger()
+ .debug(
+ "Skipping active checkpoint trigger for rescale:
min pause between checkpoints not satisfied, scheduling retry.");
+ context.runIfState(
Review Comment:
i have added guard around minPause time calculation. The caller now
schedules the retry for exactly remainingMinPause milliseconds. Thanks for
pointing this out!
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