On Fri, 2013-02-22 at 14:06 +0800, Michael Wang wrote: > On 02/22/2013 01:08 PM, Mike Galbraith wrote: > > On Fri, 2013-02-22 at 10:37 +0800, Michael Wang wrote: > > > >> According to the testing result, I could not agree this purpose of > >> wake_affine() benefit us, but I'm sure that wake_affine() is a terrible > >> performance killer when system is busy. > > > > (hm, result is singular.. pgbench in 1:N mode only?) > > I'm not sure about how pgbench implemented, all I know is it will create > several instance and access the database, I suppose no different from > several threads access database (1 server and N clients?).
It's user switchable. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
