lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Sat, 3 Mar 2012 11:56:56 +0800
From:	Xupeng Yun <>
To:	"Ted Ts'o" <>
Cc:	Ext4 development <>
Subject: Re: Bad performance of ext4 with kernel 3.0.17

On Fri, Mar 2, 2012 at 10:45, Ted Ts'o <> 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
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists