On Thu, 2008-01-17 at 15:52 +0100, Cyril SCETBON wrote:

> Here are the plots of several metrics taken with the original slon 
> binary (25 september 2007) and with the new slon binary (including 
> modifications of static variables, 16 october 2007)

Cool graphs.

First graph the effect you highlighted is shown very clearly.

Second one may need repeating because if the performance really does get
a lot worse *sometimes* then we may want to go back.

Does this include Chris's latest changes to avoid VACUUM altogether?

-- 
  Simon Riggs
  2ndQuadrant  http://www.2ndQuadrant.com