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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 is
going to acquire AsyncEditlog object 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 takes edit object from queue and acquire lock
to executed 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 is going to
> acquire AsyncEditlog object lock to executed it's logEdit method.
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