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https://issues.apache.org/jira/browse/HDFS-9360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14991909#comment-14991909
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Ming Ma commented on HDFS-9360:
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Thanks [~xyao].
> Storage type usage isn't updated properly after file deletion
> -------------------------------------------------------------
>
> Key: HDFS-9360
> URL: https://issues.apache.org/jira/browse/HDFS-9360
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ming Ma
> Assignee: Ming Ma
> Fix For: 2.8.0
>
> Attachments: HDFS-9360-2.patch, HDFS-9360.patch
>
>
> For a directory that doesn't have any storage policy defined, its storage
> quota usage is deducted when a file is deleted (addBlock skips storage quota
> usage update in such case). This means negative value for storage quota
> usage. Later after applications set the storage policy and storage type
> quota, it allows the applications to use more than its storage type quota.
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