Re: pgsql: Add isolationtester spec for old heapam.c bug

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От Tom Lane
Тема Re: pgsql: Add isolationtester spec for old heapam.c bug
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Msg-id 19294.1456551587@sss.pgh.pa.us
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Ответ на pgsql: Add isolationtester spec for old heapam.c bug  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Ответы Re: pgsql: Add isolationtester spec for old heapam.c bug  (Tom Lane <tgl@sss.pgh.pa.us>)
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Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> Add isolationtester spec for old heapam.c bug

Hmmm ....

http://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=spoonbill&dt=2016-02-27%2000%3A00%3A06

This failure looks a lot like the timing-related problems I was chasing
last week with deadlock-hard on the CLOBBER_CACHE_ALWAYS critters.
spoonbill isn't CLOBBER_CACHE_ALWAYS, but it uses some weird malloc debug
stuff that slows it down by similar orders of magnitude.  You seem to need
to think about how to make this test less timing-dependent.

            regards, tom lane

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