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https://issues.apache.org/jira/browse/HDFS-13051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhangwei updated HDFS-13051:
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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 takes edit object from queue and
acquire lock to executed it's logEdit method. (was: 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 takes edit object from queue and acquire lock to
> executed it's logEdit method.
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