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https://issues.apache.org/jira/browse/HDFS-12625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Payne updated HDFS-12625:
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Description: Deletion of ~5M files on a large cluster jammed the NN for 52
seconds. The call queue overflowed and began rejecting clients. 14k calls were
queued for which most clients timed out while the NN was hung. Tasks issuing
the calls likely failed.
> Reduce expense of deleting large directories
> --------------------------------------------
>
> Key: HDFS-12625
> URL: https://issues.apache.org/jira/browse/HDFS-12625
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.9.0, 2.8.1, 3.1.0
> Reporter: Eric Payne
>
> Deletion of ~5M files on a large cluster jammed the NN for 52 seconds. The
> call queue overflowed and began rejecting clients. 14k calls were queued for
> which most clients timed out while the NN was hung. Tasks issuing the calls
> likely failed.
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