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https://issues.apache.org/jira/browse/YARN-6608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16035458#comment-16035458
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Carlo Curino commented on YARN-6608:
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[~yufeigu] The question you ask if very reasonable, yet non-trivial to answer.
My main concern is that there are some patches (e.g., HDFS-10266) which we do
not fully import---that patch specifically is an HDFS patch, which only
modifies a .json file in SLS. This was one of the concerns we discussed with
[~leftnoteasy] and [~chris.douglas] early on, as we might be backporting "parts
of a patch". This might be enough for the SLS to work properly, though might
make later backports of patchs a little more clumsy (you will have to exclude
the portion of the patch that touches SLS). Backporting all full patches is
likely overkill/does not make sense, but it is needed for SLS to work.
[~leftnoteasy]'s point to me was that this raw approach is better than living
with the choppy/partial implementation of SLS we have in branch-2. Moreover, I
see from the last yetus that there is some JDK 1.7 issues to look at (and I
don't have much time for this right now, so help is welcome here).
What do you guys think about this? Is it worth doing like this?
> Backport all SLS improvements from trunk to branch-2
> ----------------------------------------------------
>
> Key: YARN-6608
> URL: https://issues.apache.org/jira/browse/YARN-6608
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.9.0
> Reporter: Carlo Curino
> Assignee: Carlo Curino
> Attachments: YARN-6608-branch-2.v0.patch,
> YARN-6608-branch-2.v1.patch, YARN-6608-branch-2.v2.patch
>
>
> The SLS has received lots of attention in trunk, but only some of it made it
> back to branch-2. This patch is a "raw" fork-lift of the trunk development
> from hadoop-tools/hadoop-sls.
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