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From "Adam Antal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14159) Backporting HDFS-12882 to branch-3.0: Support full open(PathHandle) contract in HDFS
Date Tue, 08 Jan 2019 07:55:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16736847#comment-16736847
] 

Adam Antal commented on HDFS-14159:
-----------------------------------

Hi [~virajith], HDFS-7878 and HDFS-12877 are clean cherry-pick from trunk to branch-3.0.
Also I did some internal testing, and the tests pass. So I thought I did not need to add
them as well, since they just need to be cherry-picked without any further modification. This
issue only concerns HDFS-12882, as it is not a clean cherry-pick, and has some problems that
need to be addressed.

So in case of HDFS-7878 and HDFS-12877 a committer can cherry-pick those to branch-3.0 from
trunk without modification. If you think branch-3.0 patches to those issues are important,
than I can upload those to HDFS-7878 and HDFS-12877.

> Backporting HDFS-12882 to branch-3.0: Support full open(PathHandle) contract in HDFS
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-14159
>                 URL: https://issues.apache.org/jira/browse/HDFS-14159
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>    Affects Versions: 3.0.3
>            Reporter: Adam Antal
>            Assignee: Adam Antal
>            Priority: Major
>         Attachments: HDFS-12882.branch-3.0.000.patch
>
>
> This task aims to backport HDFS-12882 and some connecting commits to branch-3.0 without
introducing API incompatibilities.
> In order to be able to cleanly backport, first HDFS-7878, then HDFS-12877 should be backported
to that branch as well (both can be executed cleanly, and with build success).
> Also, this patch would also introduce API backward incompatibilities in hadoop-hdfs-client,
and we should modify it to a compat change (similar as in HDFS-13830 fought with this problem).
>  



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