Re: separate serial_schedule useful?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: separate serial_schedule useful?
Date: 2017-10-07 14:23:08
Message-ID: 32481.1507386188@sss.pgh.pa.us
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Fri, Oct 6, 2017 at 4:16 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> The other routine mistake, which I see Robert just made again,
>> is to break the at-most-twenty-parallel-tests-at-once convention.
>> I wonder if we can get in some sort of automated check for that.

> There's no reason why pg_regress couldn't have a
> --bail-if-group-size-exceeds=N argument, or why we couldn't have a
> separate Perl script to validate the schedule file as part of the
> build process.

I'd go for the former approach; seems like less new code and fewer cycles
used to enforce the rule.

regards, tom lane

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