mjsax commented on code in PR #20767:
URL: https://github.com/apache/kafka/pull/20767#discussion_r2524548253
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streams/src/main/java/org/apache/kafka/streams/processor/internals/DefaultStateUpdater.java:
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@@ -606,14 +609,19 @@ private boolean removeFailedTask(final TaskId taskId,
final CompletableFuture<Re
private void pauseTask(final Task task) {
final TaskId taskId = task.id();
// do not need to unregister changelog partitions for paused tasks
- measureCheckpointLatency(() -> task.maybeCheckpoint(true));
- pausedTasks.put(taskId, task);
- updatingTasks.remove(taskId);
- if (task.isActive()) {
- transitToUpdateStandbysIfOnlyStandbysLeft();
+ try {
+ measureCheckpointLatency(() -> task.maybeCheckpoint(true));
+ pausedTasks.put(taskId, task);
+ updatingTasks.remove(taskId);
+ if (task.isActive()) {
+ transitToUpdateStandbysIfOnlyStandbysLeft();
+ }
+ log.info((task.isActive() ? "Active" : "Standby")
+ + " task " + task.id() + " was paused from the updating
tasks and added to the paused tasks.");
+
+ } catch (final StreamsException streamsException) {
Review Comment:
I see. Hard to read on the PR, as there is no loop here...
But I am not even sure why we would want to fail a task if we cannot
checkpoint for this case? We only `pause` a task, and it seems to be non-fatal
if we fail to checkpoint? Wondering if we should swallow the exception entirely
and just keep the task w/o the need to move it into error state and hand back
to `StreamsThreads`?
\cc @lucasbru
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