On Wed, Dec 5, 2012 at 4:04 PM, Shaun Thomas <sthomas@xxxxxxxxxxxxxxxx> wrote: > On 12/05/2012 04:41 PM, Bruce Momjian wrote: > >> Ah, that is interesting about 2.6. I had wondered how Debian stable >> would have performed, 2.6.32-5. This relates to a recent discussion >> about the appropriateness of Ubuntu for database servers: > > > Hmm. I may have to recant. I just removed our fusionIO driver from the loop > and suddenly everything is honey and roses. It would appear that some recent > 3.2 kernel patch borks the driver in some horrible way. Wihtout it, I see > 50-ish percent CPU, 70k tps even with 800 clients... Just like 3.4. > > So I jumped the gun a bit. Stupid drivers. > > I'm still curious why only recent 3.2's cause it, but 3.4 don't. That's > mighty odd. Have you got a support contract with fusion IO guys? Where I work we have fusion IO cards and a support contract and are about to start doing some testing on ubuntu 12.04 as well so I'll let you know what we find out. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
