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https://issues.apache.org/jira/browse/HDFS-12855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16286398#comment-16286398
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Xiao Chen commented on HDFS-12855:
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Thanks for creating the jira and discussions folks. Makes sense to me.
I recall [~daryn] mentioned Yahoo runs fsck on / daily on their clusters -
impressive but surprising if this has never been ran into... Daryn, is there an
existing patch to take care of this? Could you please share to benefit us all
if so :)
> Fsck violates namesystem locking
> ---------------------------------
>
> Key: HDFS-12855
> URL: https://issues.apache.org/jira/browse/HDFS-12855
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.4
> Reporter: Konstantin Shvachko
> Assignee: Manoj Govindassamy
>
> {{NamenodeFsck}} access {{FSNamesystem}} structures, such as INodes,
> BlockInfo without holding a lock. See e.g. {{NamenodeFsck.blockIdCK()}}.
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