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From "Mandy Martin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12641) Backport HDFS-11755 into branch-2.7 to fix a regression in HDFS-11445
Date Sun, 25 Feb 2018 23:37:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16376299#comment-16376299
] 

Mandy Martin commented on HDFS-12641:
-------------------------------------

@Wei-Chiu Chuang. This patch maybe necessary because of me. I inherited an encryption key
mid-build. HTTPS_TLS_AES 🔑 be exact. Couldn't exactly give it back. So I've been studying
policies for the past year ever since. All roads have led back to Apache, Python, Bradner
RFC 2119, plus various issues ever since. Which brings this issue to HDFSS-11445. This particular
key has resulted in a needed implementation in policy for resolving conflicts. I personally
apologize for disrupting your work. Needed a 2.7 build. Didn't realize it would open a resolved
issue. Better clairification can be found in [RFC] General Working Group 7154, "NON" Working
Group/refs/ref-bcp54.txt. Obsoletes: 3184. I will check my notes.  But should match and explain
all things Vectors and why I'm here.

> Backport HDFS-11755 into branch-2.7 to fix a regression in HDFS-11445
> ---------------------------------------------------------------------
>
>                 Key: HDFS-12641
>                 URL: https://issues.apache.org/jira/browse/HDFS-12641
>             Project: Hadoop HDFS
>          Issue Type: Task
>    Affects Versions: 2.7.4
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>            Priority: Blocker
>              Labels: release-blocker
>         Attachments: HDFS-12641.branch-2.7.001.patch
>
>
> Our internal testing caught a regression in HDFS-11445 when we cherry picked the commit
into CDH. Basically, it produces bogus missing file warnings. Further analysis revealed that
the regression is actually fixed by HDFS-11755.
> Because of the order commits are merged in branch-2.8 ~ trunk (HDFS-11755 was committed
before HDFS-11445), the regression was never actually surfaced for Hadoop 2.8/3.0.0-(alpha/beta)
users. Since branch-2.7 has HDFS-11445 but no HDFS-11755, I suspect the regression is more
visible for Hadoop 2.7.4.
> I am filing this jira to raise more awareness, than simply backporting HDFS-11755 into
branch-2.7.



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