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https://issues.apache.org/jira/browse/HDFS-17839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18023463#comment-18023463
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ASF GitHub Bot commented on HDFS-17839:
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huangzhaobo99 commented on PR #7989:
URL: https://github.com/apache/hadoop/pull/7989#issuecomment-3344582013
@zhtttylz Hello sir, if you have time, please review it again. Thank you
very much. I will fix checkstyle issues later.
> Rename skips path without valid 'DirectoryWithQuotaFeature' in FSDirRenameOp
> ----------------------------------------------------------------------------
>
> Key: HDFS-17839
> URL: https://issues.apache.org/jira/browse/HDFS-17839
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Zhaobo Huang
> Assignee: Zhaobo Huang
> Priority: Major
> Labels: pull-request-available
>
> Calculating quota usage is primarily used to update directories labeled with
> the DirectoryWithQuotaFeature. When there is no valid
> DirectoryWithQuotaFeature in the paths of src and dst (excluding the root
> directory), the quota should not be calculated in rename scenarios:
> 1. rename1 does not change the quota of the root directory, so neither src
> nor dst contains DirectoryWithQuotaFeature (excluding the root directory).
> The operation of calculating quota should be skipped.
> 2. In the scenario of overwriting, rename2 still needs to consider
> calculating quota, otherwise it will affect the quotaUsage value of the root
> directory.
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