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Posted to common-issues@hadoop.apache.org by "Chris Li (JIRA)" <ji...@apache.org> on 2014/01/28 23:39:31 UTC

[jira] [Updated] (HADOOP-10302) Allow CallQueue impls to be swapped at runtime (part 1: internals) Depends on: subtask1

     [ https://issues.apache.org/jira/browse/HADOOP-10302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Li updated HADOOP-10302:
------------------------------

    Summary: Allow CallQueue impls to be swapped at runtime (part 1: internals) Depends on: subtask1  (was: Allow CallQueue impls to be swapped at runtime (part 1: internals))

> Allow CallQueue impls to be swapped at runtime (part 1: internals) Depends on: subtask1
> ---------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10302
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10302
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Chris Li
>         Attachments: subtask2_runtime_swap_internal.patch
>
>
> We wish to swap the active call queue during runtime in order to do performance tuning without restarting the namenode.
> This patch adds only the internals necessary to swap. Part 2 will add a user interface so that it can be used.



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