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Re: lock contention on parallel COPY ?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: lock contention on parallel COPY ?
Date: 2008-09-26 17:42:56
Message-ID: 22287.1222450976@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> writes:
> that one generates a huge amount of logs - output for ~60s into the load 
> is available here:
> http://www.kaltenbrunner.cc/files/lwstats.txt (21MB!)

Huh ... essentially all the contention is for OidGenLock.  I take it
you're loading into a table that has OIDs?

			regards, tom lane

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