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https://issues.apache.org/jira/browse/MAHOUT-1603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14088433#comment-14088433
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ASF GitHub Bot commented on MAHOUT-1603:
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Github user dlyubimov commented on the pull request:
https://github.com/apache/mahout/pull/40#issuecomment-51409540
On Wed, Aug 6, 2014 at 3:55 PM, Pat Ferrel <notificati...@github.com> wrote:
> Sorry was off the internet during a move (curse you giant nameless cable
> company!)
>
> Anyway these tests are substantially changed in #36
> <https://github.com/apache/mahout/pull/36> but I haven't been able to get
> the new build until now, will check and push 36 first.
>
> As to building and tearing down contexts I'm not helping things. For each
> driver test DistributedSparkSuite in the beforeEach creates a context so I
> use that to start the test. Then the driver I am using needs to start a
> context so for every time I call a driver I precede it with the
"afterEach"
> call to shut down the context. Then call the driver, then call
"beforeEach"
> to restore the test context. I also had to tell the driver in a special
> invisible option not to load Mahout jars with a "--dontAddMahoutJars". So
> the context is being built 3 times for every test. but that hasn't
changed,
> it's always been that way.
>
> We could reuse a single context per test but it would require disabling
> some stuff in the driver along the lines of what I had to do with
> "--dontAddMahoutJars". Since I've already had to do this I don't think it
> would be a big deal to disable a little more. I'll look at it once 36 is
> pushed.
>
> Is there any reason to build the context more than once per suite?
>
Usually, there's not and that's exactly what this branch is moving towards
(note: this PR is not against master but to to a side branch called
`spark-1.0.x`).
Also that's what they seem to have done in Spark 1.0 as well.
There are sometimes (in my other projects) a need to create a custom
context but not in Mahout codebase.
> Seems like if I disable the context things in the driver we could run all
> tests in a single context, right?
>
Right. This branch has already switched to doing that. All algebra tests
seem to be fine but these tests are failing now. not sure why. seems
functional to me.
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/mahout/pull/40#issuecomment-51408987>.
>
> Tweaks for Spark 1.0.x
> -----------------------
>
> Key: MAHOUT-1603
> URL: https://issues.apache.org/jira/browse/MAHOUT-1603
> Project: Mahout
> Issue Type: Task
> Affects Versions: 0.9
> Reporter: Dmitriy Lyubimov
> Assignee: Dmitriy Lyubimov
> Fix For: 1.0
>
>
> Tweaks necessary current codebase on top of spark 1.0.x
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