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From "Tao Jie (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13411) Should log more information when FSNameSystem is locked for a long time
Date Sun, 08 Apr 2018 07:40:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tao Jie updated HDFS-13411:
---------------------------
    Attachment: HDFS-13411.001.patch

> Should log more information when FSNameSystem is locked for a long time
> -----------------------------------------------------------------------
>
>                 Key: HDFS-13411
>                 URL: https://issues.apache.org/jira/browse/HDFS-13411
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.8.2, 3.0.0
>            Reporter: Tao Jie
>            Assignee: Tao Jie
>            Priority: Major
>         Attachments: HDFS-13411.001.patch
>
>
> Today when one RPC to namenode locks FSNameSystem for a long time, it would print the
stacktrace to the namenode log. However all we know from this log is the operation name to
the Namenode(such as create, delete). 
> It should print more information about the rpc call(like caller name, caller ip, operation
src), which blocks the namenode. So we can have a better tuning to the HDFS. 



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