Re: [HACKERS] Need a builtin way to run all tests faster manner

On 2017-03-11 14:17:42 -0800, Andres Freund wrote:
> On 2017-03-07 09:36:51 -0300, Alvaro Herrera wrote:
> > FWIW, +1 on improving matters here.
> >
> > Andres Freund wrote:
> >
> > > The best I can come up so far is a toplevel target that creates the temp
> > > install, starts a cluster and then runs the 'installcheck-or-check'
> > > target on all the subdirectories via recursion. Individual makefiles can
> > > either use the pre-existing cluster (most of of contrib for example), or
> > > use the temporary install and run their pre-existing check target using
> > > that (the tap tests, test_decoding, ...).
> >
> > I think a toplevel installcheck-or-check target is a good first step
> > (though definitely lets find a better name).  Just being able to run all
> > tests without the need for 95% of pointless initdb's would be helpful
> > enough.
> 
> Here's a hacky proof-of-concept patch that implements a contrib/
> 'fastcheck' target.
> timing of:
> 
> make -s -j01 -Otarget check                2m49.286s
> make -s -j16 -Otarget check                0m44.120s
> make -s -j01 -Otarget fastcheck                1m1.533s
> make -s -j16 -Otarget fastcheck                0m24.385s
> make -s -j01 -Otarget USE_MODULE_DB=1 \
>     installcheck check-test_decoding-recurse    0m56.016s
> make -s -j16 -Otarget USE_MODULE_DB=1 \
>     installcheck check-test_decoding-recurse    0m23.608s

Ooops - all these timings are from a coverage enabled build - the times
are overall a bit smaller without that.

- Andres