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From "Jason Gustafson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-3059) ConsumerGroupCommand should allow resetting offsets for consumer groups
Date Mon, 04 Jan 2016 17:52:39 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-3059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15081466#comment-15081466
] 

Jason Gustafson commented on KAFKA-3059:
----------------------------------------

Would this call for a new request API (e.g. DeleteGroup or DeleteOffsets)? I'm not sure we'd
be able to have the command write to the offsets topic directly without some significant changes.
Currently, I think GroupMetadataManager only consumes from the offsets topic when it assumes
leadership for one of the partitions, so external writes to these topics would lead to cache
inconsistency.

> ConsumerGroupCommand should allow resetting offsets for consumer groups
> -----------------------------------------------------------------------
>
>                 Key: KAFKA-3059
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3059
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Gwen Shapira
>            Assignee: Jason Gustafson
>
> As discussed here:
> http://mail-archives.apache.org/mod_mbox/kafka-users/201601.mbox/%3CCA%2BndhHpf3ib%3Ddsh9zvtfVjRiUjSz%2B%3D8umXm4myW%2BpBsbTYATAQ%40mail.gmail.com%3E
> * Given a consumer group, remove all stored offsets
> * Given a group and a topic, remove offset for group  and topic
> * Given a group, topic, partition and offset - set the offset for the specified partition
and group with the given value



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