Re: [HACKERS] Need a builtin way to run all tests faster manner - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: [HACKERS] Need a builtin way to run all tests faster manner
Date
Msg-id CAB7nPqQxxAscJ2RbpJPutwdFYRvaaY3Y6Wup046UcW_qXNoLoQ@mail.gmail.com
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In response to Re: [HACKERS] Need a builtin way to run all tests faster manner  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
On Thu, Mar 9, 2017 at 6:49 AM, Andres Freund <andres@anarazel.de> wrote:
> On 2017-03-08 16:32:49 -0500, Peter Eisentraut wrote:
>> On 3/6/17 19:53, Andres Freund wrote:
>> > I'm just not quite sure what the best way is to make it easier to run
>> > tests in parallel within the tree.
>>
>> make check-world -j2 seems to run fine for me.
>
> Hm, I at least used to get a lot of spurious failures with this. I
> e.g. don't think the free port selection is race free.

pg_regress is running each Postgres instance in a separate Unix socket
directory, so the port selection is not problem. PostgresNode.pm is
also careful about that.

> Also that
> doesn't solve the issue of the time spent in repetitive initdbs - but
> that's mainly in contrib, and we probably solve that there by having a
> special target in contrib/ building a cluster once.

Yeah, you can count the growing src/test/modules in that as well.
-- 
Michael



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