Re: HOT TOAST?

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: HOT TOAST?
Date: 2008-02-13 23:07:13
Message-ID: 200802131507.13659.josh@agliodbs.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

Tom,

> The current TOAST code never does any updates, only inserts/deletes.
> But the HOT logic should be able to reclaim deleted rows early via
> pruning.

OK, so for a heavy update application we should still see a vacuum
reduction, even if most of the rows are 40k large?

Time to run some tests ...

--
--Josh

Josh Berkus
PostgreSQL @ Sun
San Francisco

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Tobias Brox 2008-02-13 23:29:46 Re: Anyone using a SAN?
Previous Message Greg Smith 2008-02-13 23:02:17 Re: Anyone using a SAN?