Even when I got the chunk numbers, specifying chunk numbers of mochitests wouldn't work, see this log:
https://treeherder.mozilla.org/#/jobs?repo=try&revision=c09c7046ed0664e89f7224e1de5219c39c94c948
After that, I needed to rerun mochitests with |-u mochitests|. IIRC, I tried to kick the specific chunks with "Add new jobs", but didn't work. And also, when I try to investigate random oranges which are not reproducible on my environments, I want an option like |--run-until-failure| and |--repeat REPEAT| in the try syntax. Because of no such options, I need to trigger a lot of jobs manually and that may/might cause too many oranges.

On 9/15/2017 1:21 AM, Kyle Lahnakoski wrote:

You can try ActiveData, which stores all test results from the past few
weeks.  Here is an example query that shows the chunk number for each
run/build combo in the past day.  ActiveData is sometimes more than a
day behind

https://activedata.allizom.org/tools/query.html#query_id=4HHuBgDu

{
     "from":"unittest",
     "select":[
         {"aggregate":"count"},
         {"value":"action.start_time","aggregate":"max"}
     ],
     "groupby":[
         "run.suite",
         "run.chunk",
         "result.test",
         "build.platform",
         "build.type",
         "run.type"
     ],
     "where":{"and":[
         {"eq":{"build.branch":"mozilla-inbound"}},
         {"prefix":{"run.suite":"moch"}},
         {"gt":{"action.start_time":{"date":"today-day"}}},
         {"regex":{"result.test":".*browser_623779.js.*"}}
     ]},
     "limit":1000
}



On 2017-09-14 11:49, Michael de Boer wrote:
On 14 Sep 2017, at 17:48, Marco Bonardo <mbona...@mozilla.com> wrote:

When I need to retrigger a mochitest-browser test multiple times (to
investigate an intermittent), often I end up running all the
mochitest-browser tests, looking at every log until I find the chunk
where the test is, and retrigger just that chunk. The chunk number
changes based on the platform and debug/opt, so it's painful.
Is there a way to trigger only the chunk that will contain a given
test, so I can save running all of the other chunks?
This! This! This! I’d love to be able to do this - would making testing 
possible test failure fixes sooo much easier.

Cheers,

Mike.




--
Masayuki Nakano <mnak...@mozilla.com>
Software Engineer, Mozilla
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