Re: reducing isolation tests runtime

On Wed, Jan 24, 2018 at 6:10 PM, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> On the subject of test total time, we could paralelize isolation tests.
> Right now "make check" in src/test/isolation takes 1:16 on my machine.
> Test "timeouts" takes full 40s of that, with nothing running in parallel
> -- the machine is completely idle.
>
> Seems like we can have a lot of time back just by changing the schedule
> to use multiple tests per line (in particular, put the other slow tests
> together with timeouts), per the attached; with this new schedule,
> isolation takes 44 seconds in my machine -- a win of 32 seconds. We can
> win a couple of additional second by grouping a few other lines, but
> this is the biggest win.
>
> (This needs to be adjusted because some table names in the specs
> conflict.)

Oh, cool. Yes, the time the isolation tests take to run is quite
annoying. I didn't realize it would be so easy to run it in parallel.

--
Robert Haas
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