Skip site navigation (1) Skip section navigation (2)

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: (view raw or whole 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:
> (21MB!)

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

			regards, tom lane

In response to


pgsql-hackers by date

Next:From: Jonah H. HarrisDate: 2008-09-26 17:47:16
Subject: Re: PostgreSQL future ideas
Previous:From: Tom LaneDate: 2008-09-26 17:36:29
Subject: Re: Meridiem markers (was: [BUGS] Incorrect "invalid AM/PM string" error from to_timestamp)

Privacy Policy | About PostgreSQL
Copyright © 1996-2015 The PostgreSQL Global Development Group