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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7087) Ability to list /.reserved
Date Mon, 19 Oct 2015 23:46:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964261#comment-14964261

Andrew Wang commented on HDFS-7087:

Looks good, thanks for revving Xiao. Patch needs a small rebase for TestDFSShell. Only two
little nits:

* FSNamesystem.getCTime is marked VisibleForTesting. What we could do is pass the cTime as
a parameter to createReservedStatuses which decouples FSN and FSDir a bit more. Also would
be good to add something to createReservedStatuses javadoc about how this is called only once
during NN initialization.
* Add a Precondition check that reservedStatuses is not null before use? Maybe in getReservedStatuses.
This also serves as documentation that createReservedStatuses should be called first.

> Ability to list /.reserved
> --------------------------
>                 Key: HDFS-7087
>                 URL: https://issues.apache.org/jira/browse/HDFS-7087
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.6.0
>            Reporter: Andrew Wang
>            Assignee: Xiao Chen
>         Attachments: HDFS-7087.001.patch, HDFS-7087.002.patch, HDFS-7087.draft.patch
> We have two special paths within /.reserved now, /.reserved/.inodes and /.reserved/raw.
It seems like we should be able to list /.reserved to see them.

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