On 04/26/2012 12:49 PM, Craig James wrote:

An update to our system means I'm going to be rewriting every row of
some large tables (20 million rows by 15 columns).  In a situation
like this, can auto-vacuum take care of it, or should I plan on
vacuum-full/reindex to clean up?


If you rewrite the whole table, you will end up with a table twice the size, it will not be compacted but as the table grows, the old space will be reused.

jD

This is 8.4.4.

Thanks,
Craig



--
Command Prompt, Inc. - http://www.commandprompt.com/
PostgreSQL Support, Training, Professional Services and Development
The PostgreSQL Conference - http://www.postgresqlconference.org/
@cmdpromptinc - @postgresconf - 509-416-6579

--
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

Reply via email to