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From "Onur Karaman (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-2397) leave group request
Date Sun, 02 Aug 2015 10:53:04 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-2397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Onur Karaman updated KAFKA-2397:
--------------------------------
    Description: 
Let's say every consumer in a group has session timeout s. Currently, if a consumer leaves
the group, the worst case time to stabilize the group is 2s (s to detect the consumer failure
+ s for the rebalance window). If a consumer instead can declare they are leaving the group,
the worst case time to stabilize the group would just be the s associated with the rebalance
window.

This is a low priority optimization!

  was:Let's say every consumer in a group has session timeout s. Currently, if a consumer
leaves the group, the worst case time to stabilize the group is 2s (s to detect the consumer
failure + s for the rebalance window). If a consumer instead can declare they are leaving
the group, the worst case time to stabilize the group would just be the s associated with
the rebalance window.


> leave group request
> -------------------
>
>                 Key: KAFKA-2397
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2397
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: consumer
>            Reporter: Onur Karaman
>            Assignee: Onur Karaman
>            Priority: Minor
>             Fix For: 0.8.3
>
>
> Let's say every consumer in a group has session timeout s. Currently, if a consumer leaves
the group, the worst case time to stabilize the group is 2s (s to detect the consumer failure
+ s for the rebalance window). If a consumer instead can declare they are leaving the group,
the worst case time to stabilize the group would just be the s associated with the rebalance
window.
> This is a low priority optimization!



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