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From Elliott Clark <ecl...@apache.org>
Subject Re: Could all tests run MR without MiniMapReduceCluster?
Date Thu, 22 Oct 2015 18:06:08 GMT
Do we have any tests that test the locality feature for map task -> machine?

That's the only thing I can think of that would 100% require an mr

I'd be +1 on removing most of the uses of mr minicluster.

On Wed, Oct 21, 2015 at 10:01 PM, 陈恒 <chenheng@fenbi.com> wrote:

> When i dig in HBASE-14659,  i found in testcase TestHFileOutputFormat,
> some tests run MR job
> without MiniMRCluster and some run with it.
> The ones with no MiniMRCluster run much faster!
> Do we need to 'test' clustered MR especially in a unit test?
> As stack suggestion, i post this topic here for discussion.

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