Re: Testing pg_terminate_backend() - Mailing list pgsql-patches

From Bruce Momjian
Subject Re: Testing pg_terminate_backend()
Date
Msg-id 200804182237.m3IMbn622329@momjian.us
Whole thread Raw
In response to Testing pg_terminate_backend()  (Bruce Momjian <bruce@momjian.us>)
Responses Re: Testing pg_terminate_backend()  (Magnus Hagander <magnus@hagander.net>)
List pgsql-patches
bruce wrote:
> 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.

Oh, you need to set a variable in the script indicating the average
number of seconds it takes to run the regression test on your system.

--
  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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