Re: Buglist

Vivek Khera <khera@kcilink.com>

From: Vivek Khera <khera@kcilink.com>
To: pgsql-general@postgresql.org
Date: 2003-08-21T04:07:31Z
Lists: pgsql-hackers, pgsql-general
>>>>> "TL" == Tom Lane <tgl@sss.pgh.pa.us> writes:

TL> Just nice'ing the VACUUM process is likely to be counterproductive
TL> because of locking issues (priority inversion).  Though if anyone cares
TL> to try it on a heavily-loaded system, I'd be interested to hear the
TL> results...

tried it once.  didn't make much difference except that vacuum took
longer than normal.  i didn't see any deadlocks.

i actually figured out what my main problem was.  vacuum every 6 hours
on my two busiest tables was taking longer than 6 hours when we were
very busy...

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Vivek Khera, Ph.D.                Khera Communications, Inc.
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