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https://issues.apache.org/jira/browse/HDFS-9273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15027916#comment-15027916
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Xiao Chen commented on HDFS-9273:
---------------------------------
Thanks Andrew for identifying this. Also thanks Chirs and Andrew for the quick
response.
bq. it's a long-standing bug.
+1 (non-binding)
> ACLs on root directory may be lost after NN restart
> ---------------------------------------------------
>
> Key: HDFS-9273
> URL: https://issues.apache.org/jira/browse/HDFS-9273
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.1
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Priority: Critical
> Fix For: 2.8.0
>
> Attachments: HDFS-9273.001.patch, HDFS-9273.002.patch
>
>
> After restarting namenode, the ACLs on the root directory ("/") may be lost
> if it's rolled over to fsimage.
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