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From "Senthilkumar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10977) Balancer should query NameNode with a timeout
Date Fri, 07 Oct 2016 05:00:29 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Senthilkumar updated HDFS-10977:
--------------------------------
    Attachment: Gmail - HDFS Balancer Stuck after 10 Minz.pdf

> Balancer should query NameNode with a timeout
> ---------------------------------------------
>
>                 Key: HDFS-10977
>                 URL: https://issues.apache.org/jira/browse/HDFS-10977
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: balancer & mover
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: Gmail - HDFS Balancer Stuck after 10 Minz.pdf, HDFS-10977-reproduce.patch
>
>
> We found a case where {{Dispatcher}} was stuck at {{getBlockList}} *forever* (well, several
hours when we found it).



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