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Message-Id: <200710311319.54210.nickpiggin@yahoo.com.au> Date: Wed, 31 Oct 2007 13:19:53 +1100 From: Nick Piggin <nickpiggin@...oo.com.au> To: "Lorenzo Allegrucci" <l.allegrucci@...il.com>, "Björn" <askadar@...il.com> Cc: "Ingo Molnar" <mingo@...e.hu>, linux-kernel@...r.kernel.org Subject: Re: 2.6.23 performance regression On Tuesday 30 October 2007 18:54, Lorenzo Allegrucci wrote: > Hi, sorry if this is a faq but reading > http://people.freebsd.org/~kris/scaling/7.0%20Preview.pdf (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). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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