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Re: HOT question - insert/delete

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On Wed, May 20, 2009 at 3:11 PM, Gerhard Wiesinger <lists@xxxxxxxxxxxxx> wrote:
> Hello!
>
> Is HOT in 8.3 used in the following scenario:
> INSERT ...
> DELETE ...
> at the same ratio.
>
> So for example current data is added every minute and all old data older
> than 2 years are deleted.
>
> Would the heap be bloated or is this avoided by the HOT feature of 8.3 and
> nearly kept constant?

HOT doesn't help here...it only helps with updates and then only if
you are updating fields that are not indexed.  if your table has a
rolling set of data, for example a log file...you probably want to
look at table partitioning (either manual or built in).

merlin

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