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https://issues.apache.org/jira/browse/HDFS-14739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16949152#comment-16949152
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Ayush Saxena commented on HDFS-14739:
-------------------------------------
The only concern I had was that the reason for doing this is getListing, for
which we are introducing this new exception and Here we will just catch it and
ignore, we will not throw back, but unnecessarily the other API's which doesn't
have any relation will get affected, as this exception will get thrown to
client from them, and typically won't have any advantage.
The exception that we would need to change would be I guess
{{MountTableResolver L426}} and that is in track of almost all API's. And not
able to find a location is just a regular stuff, doesn't indicate any problem
at server level.
But if everyone is Ok, I don't have hard feeling doing this way too. :)
> RBF: LS command for mount point shows wrong owner and permission information.
> -----------------------------------------------------------------------------
>
> Key: HDFS-14739
> URL: https://issues.apache.org/jira/browse/HDFS-14739
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: xuzq
> Assignee: Jinglun
> Priority: Major
> Attachments: HDFS-14739-trunk-001.patch, HDFS-14739-trunk-002.patch,
> HDFS-14739-trunk-003.patch, HDFS-14739-trunk-004.patch,
> HDFS-14739-trunk-005.patch, HDFS-14739-trunk-006.patch,
> image-2019-08-16-17-15-50-614.png, image-2019-08-16-17-16-00-863.png,
> image-2019-08-16-17-16-34-325.png
>
>
> ||source||target namespace||destination||owner||group||permission||
> |/mnt|ns0|/mnt|mnt|mnt_group|755|
> |/mnt/test1|ns1|/mnt/test1|mnt_test1|mnt_test1_group|755|
> |/test1|ns1|/test1|test1|test1_group|755|
> When do getListing("/mnt"), the owner of */mnt/test1* should be *mnt_test1*
> instead of *test1* in result.
>
> And if the mount table as blew, we should support getListing("/mnt") instead
> of throw IOException when dfs.federation.router.default.nameservice.enable is
> false.
> ||source||target namespace||destination||owner||group||permission||
> |/mnt/test1|ns0|/mnt/test1|test1|test1|755|
> |/mnt/test2|ns1|/mnt/test2|test2|test2|755|
>
>
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