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https://issues.apache.org/jira/browse/HDFS-9063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-9063:
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Attachment: HDFS-9063.000.patch
Upload a patch to fix the issue. In the patch I add an extra parameter for
{{INode#computeContentSummary}} to indicate the snapshot id of the path. In the
meanwhile, the snapshot diff list size is no longer included in the computation
result. This can bring minor incompatibility but is consistent with the change
in HDFS-7728.
> Correctly handle snapshot path for getContentSummary
> ----------------------------------------------------
>
> Key: HDFS-9063
> URL: https://issues.apache.org/jira/browse/HDFS-9063
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-9063.000.patch
>
>
> The current getContentSummary implementation does not take into account the
> snapshot path, thus if we have the following ops:
> 1. create dirs /foo/bar
> 2. take snapshot s1 on /foo
> 3. create a 1 byte file /foo/bar/baz
> then "du /foo" and "du /foo/.snapshot/s1" can report same results for "bar",
> which is incorrect since the 1 byte file is not included in snapshot s1.
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