Re: Large table update/vacuum PLEASE HELP!

From: Dmitry Tkach <dmitry(at)openratings(dot)com>
To: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Lincoln Yeoh <lyeoh(at)pop(dot)jaring(dot)my>, pgsql-general(at)postgresql(dot)org
Subject: Re: Large table update/vacuum PLEASE HELP!
Date: 2002-04-17 18:06:10
Message-ID: 3CBDB992.4060508@openratings.com
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>
>
>
>In the 10% case, you should be within the realm where the table's steady
>state size is around that much more with reasonable frequency normal
>VACUUMs and an appropriately sized free space map.
>
Are you saying that, if I, say, update 1000 tuples today, and another
1000 tomorow, it will reuse the today's dead tuples, and not create new
ones, so that I end up with just 1000 of them, not 2000?

Just making sure...

Thanks a lot!

Dima

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