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From Sangjin Lee <sj...@apache.org>
Subject Re: [YARN-2928] working on rebase with trunk
Date Mon, 09 Nov 2015 23:03:04 GMT
I will go ahead and complete the rebase and force push based on what I
described above. It's likely you'll need to recreate your local YARN-2928
branch, and also rebase/adjust any private branch you may have had. FYI.


On Mon, Nov 9, 2015 at 11:36 AM, Sangjin Lee <sjlee@apache.org> wrote:

> I am working on rebasing the YARN-2928 branch (timeline service v.2) with
> trunk. So far it seems fairly straightforward, but I noted a few things
> that require some investigation and discussion.
> (1) TestDistributedShell failure (and timing out)
> It appears that after the rebase the TestDistributedShell test is unhappy.
> If I isolate the v2 tests only, I have a sporadic failure (missing the
> application created event). If I run the test in its entirety, it times out
> after 15 minutes. I suspect the failure is caused by YARN-4129
> <https://issues.apache.org/jira/browse/YARN-4129>. I haven't tracked down
> the cause of the timeout yet, though. This may or may not be related with
> YARN-2859 <https://issues.apache.org/jira/browse/YARN-2859> that changed
> the port that the AHS binds to, and the subsequent TestDistributedShell
> test change (YARN-4326 <https://issues.apache.org/jira/browse/YARN-4326>).
> We should file a JIRA to look into this once the rebase is done.
> (2) reconciling with YARN-4183
> <https://issues.apache.org/jira/browse/YARN-4183>
> As Naga already pointed out on that JIRA, how we reconcile with the
> changes made in YARN-4183 requires a discussion. It changed the config that
> drives the RM's system metrics publisher from "timeline service enabled" to
> "application history server enabled". I'm not entirely sure if that is the
> right config to use for v.1, much less v.2. We should decide whether we
> retain our version (continue to use "timeline service enabled"), and decide
> how we enable v.1 and v.2 respectively. I think I'm going to preserve our
> version in our branch for now, but we can certainly revisit it.
> (3) reconciling with YARN-2556
> <https://issues.apache.org/jira/browse/YARN-2556>
> YARN-2556 was merged into trunk that delivers the timeline service
> performance tests. Since we already merged the v.2 version of the tests in
> our branch, I'm going to spend some time to make sure we eliminate code
> duplication. I'll file a JIRA to clean this up after the rebase.
> Please let me know if you have other feedback. Thanks!
> Sangjin

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