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https://issues.apache.org/jira/browse/HDFS-14568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16981403#comment-16981403
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Jinglun commented on HDFS-14568:
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Hi [~xyao] , just a minor reminder of this jira. Do you have time for v04 ?
Appreciating all your comments ! Thanks a lot !!!
> setStoragePolicy should check quota and update consume on storage type quota.
> -----------------------------------------------------------------------------
>
> Key: HDFS-14568
> URL: https://issues.apache.org/jira/browse/HDFS-14568
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.1.0
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Major
> Labels: imcompatible
> Attachments: HDFS-14568-001.patch, HDFS-14568-unit-test.patch,
> HDFS-14568.002.patch, HDFS-14568.003.patch, HDFS-14568.004.patch
>
>
> At present when the storage policy of a directory or a file is changed, we
> just simply change the recorded policy. But the change of storage policy also
> change the consume, and that will cause violation of Quota, and cause the
> consume recorded in DirectoryWithQuotaFeature out of date.
> We should do the quota check and consume update when setStoragePolicy():
> # Compute the new consume and check quota on ancestors. If quota exceed
> throwing the QuotaExceedException. Else go to 2.
> # Update the consume to all ancestors with Quota.
>
> Related to HDFS-14633, see HDFS-14633 to get more discussions.
>
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