"Magnus Naeslund\(f\)" <mag(at)fbab(dot)net> writes:
> I have a cronjob that does a vacuumdb -a -z every night.
> When i came to work this morning i saw a lot of postgres processes hanging
> on wait.

Sounds to me like you have an open transaction that is holding a lock
that everybody else needs.  Very likely it's not the VACUUM that's at
fault, at least not directly.

			regards, tom lane

In response to

• vacuumdb -a -z hangs at 2001-06-06 13:59:13 from Magnus Naeslund(f)

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Next:	From: Alessio Bragadini	Date: 2001-06-06 14:53:43
	Subject: Strange error, probably WAL-related
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	Subject: Re: SQL( "if ...exists...),how to do it in the PostgreSQL?