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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9701) DN may deadlock when hot-swapping under load
Date Mon, 01 Feb 2016 21:03:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lei (Eddy) Xu updated HDFS-9701:
--------------------------------
          Resolution: Fixed
        Hadoop Flags: Reviewed
       Fix Version/s: 2.8.0
                      3.0.0
    Target Version/s: 3.0.0, 2.8.0
              Status: Resolved  (was: Patch Available)

+1. Good work, [~xiaochen]. Thanks a lot!

Committed to branch-2.8, branch-2 and trunk.

> DN may deadlock when hot-swapping under load
> --------------------------------------------
>
>                 Key: HDFS-9701
>                 URL: https://issues.apache.org/jira/browse/HDFS-9701
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>             Fix For: 3.0.0, 2.8.0
>
>         Attachments: HDFS-9701.01.patch, HDFS-9701.02.patch, HDFS-9701.03.patch, HDFS-9701.04.patch,
HDFS-9701.05.patch
>
>
> If the DN is under load (new blocks being written), a hot-swap task by {{hdfs dfsadmin
-reconfig}} may cause a dead lock.



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