"David Witham" <[EMAIL PROTECTED]> writes:
> Occasionally I get this error message from the analyze job:
> ERROR:  simple_heap_update: tuple concurrently updated
> What does this mean and should I do anything about it?

You can get this if two ANALYZEs run in parallel for the same table;
whichever one tries to update pg_statistic second fails with the above
error.  It's moderately annoying, but not dangerous.

                        regards, tom lane

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