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From "zhangwei (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13051) dead lock occurs when using async editlog while rolleditlog rpc call happen
Date Tue, 23 Jan 2018 16:59:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhangwei updated HDFS-13051:
----------------------------
    Target Version/s: 3.0.0, 2.7.5, 2.8.2, 2.8.1  (was: 2.8.1, 2.8.2, 2.7.5, 3.0.0)
         Description: When we apply AsyncEditlog in our prod env, in extremely case, deadlock
will occur and crash the namenode.  in the case, rollEditlog rpc call happen while AsyncEditlog
asynchronized take edit object from queue but had execute it's logEdit method.

> dead lock occurs when using async editlog while rolleditlog rpc call happen
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-13051
>                 URL: https://issues.apache.org/jira/browse/HDFS-13051
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.7.5
>            Reporter: zhangwei
>            Priority: Major
>
> When we apply AsyncEditlog in our prod env, in extremely case, deadlock will occur and
crash the namenode.  in the case, rollEditlog rpc call happen while AsyncEditlog asynchronized
take edit object from queue but had execute it's logEdit method.



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