From: | Magnus Hagander <magnus(at)hagander(dot)net> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
Subject: | Re: Testing pg_terminate_backend() |
Date: | 2008-04-18 21:22:52 |
Message-ID: | 20080418232252.5fb7bc9b@mha-laptop |
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Lists: | pgsql-hackers pgsql-patches |
Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)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?
> > SLEEP=`expr $RANDOM \* $REGRESSION_DURATION / 32767`
>
> Uh, where's the randomness coming from?
... but I should probably wait until that one is answered or fixed, I
guess :-)
//Magnus
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