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From "Kuhu Shukla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12754) Lease renewal can hit a deadlock
Date Thu, 09 Nov 2017 15:08:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kuhu Shukla updated HDFS-12754:
-------------------------------
    Attachment: HDFS-12754.005.patch

Uploading the same patch again since the failures are not reproducible locally and was only
a test side change from the previous versions. Making sure if they fail again. 

> Lease renewal can hit a deadlock 
> ---------------------------------
>
>                 Key: HDFS-12754
>                 URL: https://issues.apache.org/jira/browse/HDFS-12754
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.8.1
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>         Attachments: HDFS-12754.001.patch, HDFS-12754.002.patch, HDFS-12754.003.patch,
HDFS-12754.004.patch, HDFS-12754.005.patch
>
>
> The Client and the renewer can hit a deadlock during close operation since closeFile()
reaches back to the DFSClient#removeFileBeingWritten. This is possible if the client class
close when the renewer is renewing a lease.



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