On 21 Jun 2005, at 18:13, Josh Berkus wrote:
Alex,
Downtime is something I'd rather avoid if possible. Do you think we
will need to run VACUUM FULL occasionally? I'd rather not lock tables
up unless I cant avoid it. We can probably squeeze an automated
vacuum tied to our data inserters every now and then though.
As long as your update/deletes are less than 10% of the table for
all time,
you should never have to vacuum, pending XID wraparound.
Hmm, I guess as we have hundreds of millions of rows, and when we do
delete things, it's only a few thousand, and rarely. VACUUMing
shouldn't need to happen too often. Thats good. Thanks a lot for the
advice.
Is this an 8.0 thing? I don't have a pg_controldata from what I can
see. Thats nice to hear though.
'fraid so, yes.
Bloody Debian stable. I might have to experiment with building from
source or using alien on debian to convert the rpms. Fun. Oh well.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco
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