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https://issues.apache.org/jira/browse/HDFS-15994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Qi Zhu updated HDFS-15994:
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Attachment: HDFS-15994.001.patch
Status: Patch Available (was: Open)
> Deletion should sleep some time, when there are too many pending deletion
> blocks.
> ---------------------------------------------------------------------------------
>
> Key: HDFS-15994
> URL: https://issues.apache.org/jira/browse/HDFS-15994
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Qi Zhu
> Assignee: Qi Zhu
> Priority: Major
> Attachments: HDFS-15994.001.patch
>
>
> HDFS-13831 realize that we can control the frequency of other waiters to get
> the lock chance.
> But actually in our big cluster with heavy deletion:
> The problem still happened, and the pending deletion blocks will be more
> than ten million somtimes, and the size become more than 1 million in regular
> in huge clusters.
> So i think we should sleep for some time when pending too many deletion
> blocks.
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