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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9701) DN may deadlock when hot-swapping under load
Date Mon, 25 Jan 2016 22:06:39 GMT

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

Xiao Chen updated HDFS-9701:
----------------------------
    Status: Patch Available  (was: Open)

> 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
>         Attachments: HDFS-9701.01.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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