[SunHELP] problem with pageouts when ram is free

Nicholas Dronen sunhelp at sunhelp.org
Thu Nov 29 12:12:48 CST 2001


On Thu, Nov 29, 2001 at 12:44:53PM -0500, Alex Avriette wrote:
> I'm attempting to optimize the performance of a Postgres database running on
> an Ultra 10 (440mhz). The benchmark I've set up is roughly creating 100,000
> queries and simply executing them. The database postmaster takes about 90%
> of the cpu, and chews up around 100mb of ram. However, when I watch vmstat,
> I can see that pageouts are occurring when 190mb of physical ram is free
> (this according to top(1)).

Which version of Solaris are you using?  Would you mind posting
some vmstat output (e.g, vmstat 5)?

Regards,

Nicholas Dronen



More information about the SunHELP mailing list