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From "ade (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9661) Deadlock in DN.FsDatasetImpl between moveBlockAcrossStorage and createRbw
Date Tue, 19 Jan 2016 10:07:39 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ade updated HDFS-9661:
----------------------
    Attachment: hdfs-9661-jstack.jpg.png

> Deadlock in DN.FsDatasetImpl between moveBlockAcrossStorage and createRbw
> -------------------------------------------------------------------------
>
>                 Key: HDFS-9661
>                 URL: https://issues.apache.org/jira/browse/HDFS-9661
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.7.0, 2.8.0, 2.7.1, 2.7.2
>            Reporter: ade
>            Assignee: Vinayakumar B
>             Fix For: 2.7.2
>
>         Attachments: HDFS-9661.0.patch, hdfs-9661-jstack.gif.png, hdfs-9661-jstack.jpg.png
>
>
> We found a deadlock in dn.FsDatasetImpl between moveBlockAcrossStorage and createRbw
from rpc call: replaceBlock/writeBlock. The dn's jstack result is
> !hdfs-9661-jstack.gif.png!



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