I know I've seen this message before but I'm not quite sure what it
means. I think it's because I have two vacuums running over each
other. Does this sound right? It's comming from 7.4.x server.

ERROR: tuple concurrently updated

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TIP 8: explain analyze is your friend

Kevin Barnard <kevin.barnard (AT) gmail (DOT) com> writes:
Were they both VACUUM ANALYZEs? There's a known gotcha that if you
ANALYZE the same table concurrently in two different sessions, one
of them can fail this way when it goes to update the pg_statistic
entries. (Harmless, but annoying.) I don't know of any cause for
this message from a plain VACUUM though.

regards, tom lane

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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match

On Thu, 11 Nov 2004 13:56:48 -0500, Tom Lane <tgl (AT) sss (DOT) pgh.pa.us> wrote:
That's what it is I have cron jobs running over each other during heavy load.

Thanks

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