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Re: INSERT ... ON CONFLICT UPDATE/IGNORE 4.0 - Mailing list pgsql-hackers

From Tom Lane
Subject Re: INSERT ... ON CONFLICT UPDATE/IGNORE 4.0
Date
Msg-id 23549.1431121887@sss.pgh.pa.us
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In response to Re: INSERT ... ON CONFLICT UPDATE/IGNORE 4.0  (Andres Freund <andres@anarazel.de>)
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Andres Freund <andres@anarazel.de> writes:
> prairiedog, without CCA, failed as well
> http://pgbuildfarm.org/cgi-bin/show_log.pl?nm=prairiedog&dt=2015-05-08%2019%3A55%3A11
> different test, but again directly after index creation. So I hope it's
> indeed the indcheckxmin thing.

Oh, interesting.  That definitely suggests it's about machine speed/timing
not CCA per se (prairiedog being quite slow).  Which would fit with the
indcheckxmin theory.
        regards, tom lane

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