Denis Perchine <dyp(at)perchine(dot)com> writes:
> When I run 2 vacuum's in parallel they hangs. Both.
> I use PostgreSQL from 7.0.x CVS (almost 7.0.3).
Hm. I don't see a hang, but I do see errors like
NOTICE: Deadlock detected -- See the lock(l) manual page for a possible cause.
ERROR: WaitOnLock: error on wakeup - Aborting this transaction
What's curious is that neither 7.0.2 nor current seem to exhibit this
behavior (at least, it's much easier to reproduce in REL7_0_PATCHES than
in 7.0.2 or current). Odd... in theory we shouldn't have introduced any
new bugs in REL7_0_PATCHES that wouldn't also be in current...
regards, tom lane
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