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Date: Sat, 3 Mar 2012 11:56:56 +0800 From: Xupeng Yun <xupeng@...eng.me> To: "Ted Ts'o" <tytso@....edu> Cc: Ext4 development <linux-ext4@...r.kernel.org> Subject: Re: Bad performance of ext4 with kernel 3.0.17 On Fri, Mar 2, 2012 at 10:45, Ted Ts'o <tytso@....edu> wrote: > Hmm, it sounds like we're hitting some kind of scaling problem. How > many CPU's/cores do you have on your server? And it would be > interesting to try varying the --numjobs parameter and see how the > various file systems behave with 1, 2, 4, 8, and 16 threads. Oh, there are 8 physical cores with hyper-threading on the server. -- Xupeng Yun http://about.me/xupeng -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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