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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-10093) Unregister ReplicationSource metric bean when the replication source thread is terminated
Date Sat, 07 Dec 2013 07:27:35 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl resolved HBASE-10093.
-----------------------------------

      Resolution: Fixed
    Hadoop Flags: Reviewed

Committed to 0.94. Thanks for the patch.

> Unregister ReplicationSource metric bean when the replication source thread is terminated

> ------------------------------------------------------------------------------------------
>
>                 Key: HBASE-10093
>                 URL: https://issues.apache.org/jira/browse/HBASE-10093
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>    Affects Versions: 0.94.14
>            Reporter: cuijianwei
>            Assignee: cuijianwei
>             Fix For: 0.94.15
>
>         Attachments: HBASE-10093-0.94-v1.patch
>
>
> Each replication source thread will register a metric bean to show its statistics. The
source threads will be terminated when region server exit and the metric beans will be removed.
However, replication source thread may also be terminated when user removing the peer explicitly
or it just takes a recover queue and finished replicating the queued HLogs. In these situations,
the metric bean won't be unregistered and user may be confused to always see the statistics
from terminated replication source threads. Maybe, it is more clear to remove the metric bean
after replication source thread terminated? Then, the statistics will only from active replication
sources.



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