Re: Testing pg_terminate_backend()

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От Bruce Momjian
Тема Re: Testing pg_terminate_backend()
Дата
Msg-id 200804182135.m3ILZ4W15909@momjian.us
обсуждение исходный текст
Ответ на Re: Testing pg_terminate_backend()  (Magnus Hagander <magnus@hagander.net>)
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Magnus Hagander wrote:
> Tom Lane wrote:
> > Bruce Momjian <bruce@momjian.us> writes:
> > > Attached is my test script.   I ran it for 14 hours (asserts on),
> > > running 450 regression tests, with up to seven backends killed per
> > > regression test.
> >
> > Hmm, there are something on the order of 10000 SQL commands in our
> > regression tests, so even assuming perfect randomness you've exercised
> > SIGTERM on maybe 10% of them --- and of course there's multiple places
> > in a complex DDL command where SIGTERM might conceivably be a problem.
> >
> > Who was volunteering to run this 24x7 for awhile?
>
> That was me. As long as the script runs properly on linux, I can get
> that started as soon as I'm fed instructions on how to do it :-) Do I
> just fix the paths and set it running, or do I need to prepare
> something else?

Nothing special to prepare.  Compile with asserts enabled, and run the
script.  The comment at the top explains how to analyze the log for
interesting error messages.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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