Re: Going for "all green" buildfarm results - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Going for "all green" buildfarm results
Date
Msg-id 995.1155861238@sss.pgh.pa.us
Whole thread Raw
In response to Re: Going for "all green" buildfarm results  ("Jim C. Nasby" <jnasby@pervasive.com>)
List pgsql-hackers
"Jim C. Nasby" <jnasby@pervasive.com> writes:
> On Thu, Aug 17, 2006 at 03:09:30PM -0400, Alvaro Herrera wrote:
>> I have had an idea for some time that is actually much simpler -- just
>> launch several backends at once to do different things, and randomly
>> send SIGSTOP and SIGCONT to each.  If they keep doing whatever they are
>> doing in infinite loops, and you leave it enough time, it's very likely
>> that you'll get problems if the concurrent locking (or whatever) is not
>> right.

> This is probably worth doing as well, since it would simulate what an
> IO-bound system would look like.

While that might be useful for testing, it'd absolutely suck for
debugging, because of the difficulty of reproducing a problem :-(
        regards, tom lane


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