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Posted to commits@kafka.apache.org by ce...@apache.org on 2022/08/04 15:48:24 UTC
[kafka] branch 3.3 updated: MINOR: Update comment on verifyTaskGenerationAndOwnership method in DistributedHerder
This is an automated email from the ASF dual-hosted git repository.
cegerton pushed a commit to branch 3.3
in repository https://gitbox.apache.org/repos/asf/kafka.git
The following commit(s) were added to refs/heads/3.3 by this push:
new 953a3a52c4 MINOR: Update comment on verifyTaskGenerationAndOwnership method in DistributedHerder
953a3a52c4 is described below
commit 953a3a52c463ecfd2f1c3db46dc44b4c8dbb06d8
Author: Yash Mayya <ya...@gmail.com>
AuthorDate: Fri Jul 29 02:48:35 2022 +0530
MINOR: Update comment on verifyTaskGenerationAndOwnership method in DistributedHerder
Reviewers: Chris Egerton <fe...@gmail.com>
---
.../kafka/connect/runtime/distributed/DistributedHerder.java | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/DistributedHerder.java b/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/DistributedHerder.java
index ded833da59..388bfa4218 100644
--- a/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/DistributedHerder.java
+++ b/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/DistributedHerder.java
@@ -1732,9 +1732,7 @@ public class DistributedHerder extends AbstractHerder implements Runnable {
throw ConnectUtils.maybeWrap(cause, "Failed to perform round of zombie fencing");
}
},
- () -> {
- verifyTaskGenerationAndOwnership(taskId, taskGeneration);
- }
+ () -> verifyTaskGenerationAndOwnership(taskId, taskGeneration)
);
} else {
return worker.startSourceTask(
@@ -1941,8 +1939,8 @@ public class DistributedHerder extends AbstractHerder implements Runnable {
}
}
- // Currently unused, but will be invoked by exactly-once source tasks after they have successfully
- // initialized their transactional producer
+ // Invoked by exactly-once worker source tasks after they have successfully initialized their transactional
+ // producer to ensure that it is still safe to bring up the task
private void verifyTaskGenerationAndOwnership(ConnectorTaskId id, int initialTaskGen) {
log.debug("Reading to end of config topic to ensure it is still safe to bring up source task {} with exactly-once support", id);
if (!refreshConfigSnapshot(Long.MAX_VALUE)) {