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Posted to dev@kafka.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/11/22 23:30:00 UTC
[jira] [Commented] (KAFKA-4095) When a topic is deleted and then
created with the same name, 'committed' offsets are not reset
[ https://issues.apache.org/jira/browse/KAFKA-4095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15688291#comment-15688291 ]
ASF GitHub Bot commented on KAFKA-4095:
---------------------------------------
GitHub user vahidhashemian opened a pull request:
https://github.com/apache/kafka/pull/2160
KAFKA-4095: Remove topic offsets and owners from ZK consumer groups upon topic deletion
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vahidhashemian/kafka KAFKA-4095
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/2160.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2160
----
commit 953f4ccb5f6009c4198e1aadb4e0d5758299fdda
Author: Vahid Hashemian <va...@us.ibm.com>
Date: 2016-11-22T23:25:41Z
KAFKA-4095: Remove topic offsets and owners from ZK consumer groups upon topic deletion
----
> When a topic is deleted and then created with the same name, 'committed' offsets are not reset
> ----------------------------------------------------------------------------------------------
>
> Key: KAFKA-4095
> URL: https://issues.apache.org/jira/browse/KAFKA-4095
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Affects Versions: 0.9.0.1, 0.10.0.0
> Reporter: Alex Glikson
> Assignee: Vahid Hashemian
>
> I encountered a very strange behavior of Kafka, which seems to be a bug.
> After deleting a topic and re-creating it with the same name, I produced certain amount of new messages, and then opened a consumer with the same ID that I used before re-creating the topic (with auto.commit=false, auto.offset.reset=earliest). While the latest offsets seemed up to date, the *committed* offset (returned by committed() method) was an *old* offset, from the time before the topic has been deleted and created.
> I would have assumed that when a topic is deleted, all the associated topic-partitions and consumer groups are recycled too.
> I am using the Java client version 0.9, with Kafka server 0.10.
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