Re: auto-vacuum vs. full table update

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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



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