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https://issues.apache.org/jira/browse/HDFS-8879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14720370#comment-14720370
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Kihwal Lee commented on HDFS-8879:
----------------------------------
Cherry-picked the fix to branch-2.7.
> Quota by storage type usage incorrectly initialized upon namenode restart
> -------------------------------------------------------------------------
>
> Key: HDFS-8879
> URL: https://issues.apache.org/jira/browse/HDFS-8879
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.0
> Reporter: Kihwal Lee
> Assignee: Xiaoyu Yao
> Fix For: 3.0.0, 2.7.2
>
> Attachments: HDFS-8879.01.patch
>
>
> This was found by [~kihwal] as part of HDFS-8865 work in this
> [comment|https://issues.apache.org/jira/browse/HDFS-8865?focusedCommentId=14660904&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14660904].
> The unit test
> testQuotaByStorageTypePersistenceInFsImage/testQuotaByStorageTypePersistenceInFsEdit
> failed to detect this because they were using an obsolete
> FsDirectory instance. Once added the highlighted line below, the issue can be
> reproed.
> {code}
> ++++>fsdir = cluster.getNamesystem().getFSDirectory();
> INode testDirNodeAfterNNRestart = fsdir.getINode4Write(testDir.toString());
> {code}
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