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From Apekshit Sharma <a...@cloudera.com>
Subject Re: Better management of flakies
Date Wed, 30 Mar 2016 18:24:48 GMT
So tackling the two parts individually:
1) Detection : A good automatic flaky detector will no doubt save manual
effort. The one mentioned by Matteo seems like a good one which we can hook
up with post-commit job. I see a minor problem though, we'll should use
about 20 runs at least, but the rate of execution of this post-commit
<https://builds.apache.org/view/All/job/HBase-Trunk_matrix/> job for trunk
is too low which means we'll get stale information from the tool. One way
around that would be running the post-commit job back-to-back? It can than
trigger another job in the end which will use the tool to recompute flakies.

2) Handling: Ignoring flakies in main build and having separate job just
for flakies. We can run it often enough and get some stats on flaky-ness
rate of each test using the same tool as above.

However, I feel that we should keep it super simple in the start. Just have
a manual list and a separate job for flakies. It it works out fine, we can
add the automatic detection and statistics part later.

- Appy

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