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https://issues.apache.org/jira/browse/HDFS-17839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18022653#comment-18022653
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ASF GitHub Bot commented on HDFS-17839:
---------------------------------------
huangzhaobo99 commented on code in PR #7989:
URL: https://github.com/apache/hadoop/pull/7989#discussion_r2377947018
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirRenameOp.java:
##########
@@ -712,8 +723,9 @@ private static class RenameOperation {
withCount = null;
}
// Set quota for src and dst, ignore src is in Snapshot or is Reference
+ this.updateQuota = quotaPair.getLeft() || isSrcInSnapshot ||
srcChildIsReference;
this.srcSubTreeCount = withCount == null ?
- quotaPair.getLeft() : Optional.empty();
+ quotaPair.getMiddle() : Optional.empty();
this.dstSubTreeCount = quotaPair.getRight();
}
Review Comment:
Ignore src is in Snapshot or is Reference
> 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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