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Posted to dev@kafka.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2017/02/22 01:01:50 UTC

[jira] [Updated] (KAFKA-2763) Reduce stream task migrations and initialization costs

     [ https://issues.apache.org/jira/browse/KAFKA-2763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias J. Sax updated KAFKA-2763:
-----------------------------------
    Affects Version/s:     (was: 0.9.0.0)

> Reduce stream task migrations and initialization costs
> ------------------------------------------------------
>
>                 Key: KAFKA-2763
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2763
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: streams
>            Reporter: Yasuhiro Matsuda
>            Assignee: Yasuhiro Matsuda
>             Fix For: 0.10.0.0
>
>
> Stream task assignment is not aware of either the previous task assignment or local states of participating clients. By making the assignment logic aware of them, we can reduce task migrations and initialization cost.



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