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Posted to dev@kafka.apache.org by "Jun Rao (JIRA)" <ji...@apache.org> on 2012/05/18 18:31:08 UTC

[jira] [Created] (KAFKA-347) change number of partitions of a topic online

Jun Rao created KAFKA-347:
-----------------------------

             Summary: change number of partitions of a topic online
                 Key: KAFKA-347
                 URL: https://issues.apache.org/jira/browse/KAFKA-347
             Project: Kafka
          Issue Type: Sub-task
          Components: core
    Affects Versions: 0.8
            Reporter: Jun Rao


We will need an admin tool to change the number of partitions of a topic online.

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[jira] [Updated] (KAFKA-347) change number of partitions of a topic online

Posted by "Jun Rao (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/KAFKA-347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jun Rao updated KAFKA-347:
--------------------------

    Remaining Estimate:     (was: 336h)
     Original Estimate:     (was: 336h)
    
> change number of partitions of a topic online
> ---------------------------------------------
>
>                 Key: KAFKA-347
>                 URL: https://issues.apache.org/jira/browse/KAFKA-347
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>              Labels: features
>
> We will need an admin tool to change the number of partitions of a topic online.

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[jira] [Commented] (KAFKA-347) change number of partitions of a topic online

Posted by "Jay Kreps (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/KAFKA-347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13448983#comment-13448983 ] 

Jay Kreps commented on KAFKA-347:
---------------------------------

This is more of a nice-to-have, no? Can't we postpone this beyond 0.8? Changing partition # will scramble the partitioning from the producer, and we don't really have this capability now.
                
> change number of partitions of a topic online
> ---------------------------------------------
>
>                 Key: KAFKA-347
>                 URL: https://issues.apache.org/jira/browse/KAFKA-347
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>              Labels: features
>
> We will need an admin tool to change the number of partitions of a topic online.

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[jira] [Commented] (KAFKA-347) change number of partitions of a topic online

Posted by "Jun Rao (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/KAFKA-347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13449001#comment-13449001 ] 

Jun Rao commented on KAFKA-347:
-------------------------------

It can probably be pushed beyond 0.8. The only concern is that consumer parallelism is currently tied to # partitions.
                
> change number of partitions of a topic online
> ---------------------------------------------
>
>                 Key: KAFKA-347
>                 URL: https://issues.apache.org/jira/browse/KAFKA-347
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>              Labels: features
>
> We will need an admin tool to change the number of partitions of a topic online.

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[jira] [Updated] (KAFKA-347) change number of partitions of a topic online

Posted by "Joel Koshy (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/KAFKA-347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Koshy updated KAFKA-347:
-----------------------------

    Labels: optimization  (was: )
    
> change number of partitions of a topic online
> ---------------------------------------------
>
>                 Key: KAFKA-347
>                 URL: https://issues.apache.org/jira/browse/KAFKA-347
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>              Labels: optimization
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> We will need an admin tool to change the number of partitions of a topic online.

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