[lkml]   [2007]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.6.23 performance regression

* Nick Piggin <> wrote:

> On Tuesday 30 October 2007 18:54, Lorenzo Allegrucci wrote:
> > Hi, sorry if this is a faq but reading
> > (slides 17,
> > 18)
> > looks like 2.6.23 is having a performance regression on MySQL and
> > PostgreSQL benchmarks. Has anyone investigated these?
> I think Ingo was looking into them. I'm just in the middle of building
> a new setup to investigate some performance issues too, so I hope to
> look at this.
> Apparently it did go unnoticed during CFS testing, unfortunately.
> Although now it has been brought to light, I think 2.6.24 is supposed
> to be better (although it now gets worse on other things).

yep. For those who fear the 1 million lines of code flux of 2.6.24,
here's a backport of the scheduler changes to 2.6.23:

Lorenzo, could you please try that report back your reports? Thanks,

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-10-31 10:57    [W:0.041 / U:9.976 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site