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ASF GitHub Bot commented on KAFKA-2017: --------------------------------------- GitHub user guozhangwang opened a pull request: https://github.com/apache/kafka/pull/386 KAFKA-2017: Persist Group Metadata and Assignment before Responding You can merge this pull request into a Git repository by running: $ git pull https://github.com/guozhangwang/kafka K2017 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/386.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 #386 ---- commit c00cebd93262ab9e0f1a9ea164902ab7ef0c800a Author: Guozhang Wang <wangg...@gmail.com> Date: 2015-10-29T22:07:17Z move group metadata into offset manager commit 17a83eb8529a57a97826473919764a02db1ca3b4 Author: Guozhang Wang <wangg...@gmail.com> Date: 2015-10-29T22:10:50Z add back package.html commit 1f2579d941fe25038738ec8e93f8b480ab7e7fe7 Author: Guozhang Wang <wangg...@gmail.com> Date: 2015-10-29T23:28:32Z persist synced assignment and client side error handling ---- > Persist Coordinator State for Coordinator Failover > -------------------------------------------------- > > Key: KAFKA-2017 > URL: https://issues.apache.org/jira/browse/KAFKA-2017 > Project: Kafka > Issue Type: Sub-task > Components: consumer > Affects Versions: 0.9.0.0 > Reporter: Onur Karaman > Assignee: Guozhang Wang > Priority: Blocker > Fix For: 0.9.0.0 > > Attachments: KAFKA-2017.patch, KAFKA-2017_2015-05-20_09:13:39.patch, > KAFKA-2017_2015-05-21_19:02:47.patch > > > When a coordinator fails, the group membership protocol tries to failover to > a new coordinator without forcing all the consumers rejoin their groups. This > is possible if the coordinator persists its state so that the state can be > transferred during coordinator failover. This state consists of most of the > information in GroupRegistry and ConsumerRegistry. -- This message was sent by Atlassian JIRA (v6.3.4#6332)