On Sat, Sep 24, 2005 at 07:17:38PM -0500, Jim C. Nasby wrote: > Finally, if vacuum_delay is enabled, does vacuum_cost_page_miss consider > a miss as not in the database buffer, or not in the kernel buffer?
The database buffer. > I > remember discussions about trying to track IO request times to try and > determine if something came out of kernel buffers or not, but AFAIK > that's all vaporware right now... I don't remember the discussion, but it certainly hasn't been implemented. -- Alvaro Herrera http://www.PlanetPostgreSQL.org "Escucha y olvidarás; ve y recordarás; haz y entenderás" (Confucio) ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match