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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8991) Provide information on BPOfferService in DN JMX
Date Tue, 12 Jul 2016 02:26:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Mingliang Liu updated HDFS-8991:
    Resolution: Duplicate
        Status: Resolved  (was: Patch Available)

This is a duplicate of [HDFS-10440], which has been committed recently. Resolving this JIRA.

> Provide information on BPOfferService in DN JMX
> -----------------------------------------------
>                 Key: HDFS-8991
>                 URL: https://issues.apache.org/jira/browse/HDFS-8991
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Haohui Mai
>            Assignee: Mingliang Liu
>         Attachments: HDFS-8991.000.patch, HDFS-8991.001.patch
> In cases like HDFS-7714 where the BPOfferService thread is missing, which require nontrivial
effort to debug that which NN that the DN thinks it active / standby.
> It would make sense to make the information more accessible through JMX or Web UI.

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