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https://issues.apache.org/jira/browse/HDFS-11481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16394030#comment-16394030
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Yongjun Zhang commented on HDFS-11481:
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Hi [~mavinmar...@gmail.com],
I did some study. Would you please share:
# which release you observed the issue reported here?
# Did you verify that the patch you created solve the problem reported here
(snapshotDiff on /.reserved/raw)?
The reason I was asking is, the change you did in the patch here simply to
allow setSnapshot to take /.reserved/raw kind of path, but it did not seem to
do anything with snapshotDiff. I suspect the issue is fixed by HDFS-10997 but
yet to find out. Seems to me that resolvePath might be the way to go.
Thanks.
--Yongjun
> hdfs snapshotDiff /.reserved/raw/... fails on snapshottable directories
> -----------------------------------------------------------------------
>
> Key: HDFS-11481
> URL: https://issues.apache.org/jira/browse/HDFS-11481
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.6.0
> Reporter: Mavin Martin
> Assignee: Mavin Martin
> Priority: Minor
> Attachments: HDFS-11481-branch-2.6.0.001.patch, HDFS-11481.001.patch,
> HDFS-11481.002.patch
>
>
> Successful command:
> {code}
> #> hdfs snapshotDiff /tmp/dir s1 s2
> Difference between snapshot s1 and snapshot s2 under directory /tmp/dir:
> M .
> + ./file1.txt
> {code}
> Unsuccessful command:
> {code}
> #> hdfs snapshotDiff /.reserved/raw/tmp/dir s1 s2
> snapshotDiff: Directory does not exist: /.reserved/raw/tmp/dir
> {code}
> Prefixing with raw path should run successfully and return same output.
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