From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valdis.Kletnieks-PjAqaU27lzQ@public.gmane.org Subject: Re: IO scheduler based IO controller V10 Date: Fri, 02 Oct 2009 12:50:17 -0400 Message-ID: <12774.1254502217__12655.914881225$1254502317$gmane$org@turing-police.cc.vt.edu> References: <200910021255.27689.czoccolo@gmail.com> <20091002124921.GA4494@redhat.com> <4e5e476b0910020827s23e827b1n847c64e355999d4a@mail.gmail.com> <1254497520.10392.11.camel@marge.simson.net> <20091002154020.GC4494@redhat.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1637088818479542241==" Return-path: In-Reply-To: Your message of "Fri, 02 Oct 2009 11:40:20 EDT." <20091002154020.GC4494-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Mime-version: 1.0 Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Vivek Goyal Cc: dhaval-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, Corrado Zoccolo , dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Jens Axboe , agk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, paolo.valente-rcYM44yAMweonA0d6jMUrA@public.gmane.org, jmarchan-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, fernando-gVGce1chcLdL9jVzuh4AOg@public.gmane.org, Ulrich Lukas , jmoyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Ingo Molnar , riel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, fchecconi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Mike Galbraith , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, righi.andrea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org List-Id: containers.vger.kernel.org --===============1637088818479542241== Content-Type: multipart/signed; boundary="==_Exmh_1254502217_3334P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit --==_Exmh_1254502217_3334P Content-Type: text/plain; charset=us-ascii On Fri, 02 Oct 2009 11:40:20 EDT, Vivek Goyal said: > In that case, Corrado's suggestion of refining it further and disabling idling > for seeky process only on non-rotational media (SSD and hardware RAID), makes > sense to me. Umm... I got petabytes of hardware RAID across the hall that very definitely *is* rotating. Did you mean "SSD and disk systems with big honking caches that cover up the rotation"? Because "RAID" and "big honking caches" are not *quite* the same thing, and I can just see that corner case coming out to bite somebody on the ass... --==_Exmh_1254502217_3334P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFKxi9JcC3lWbTT17ARApP2AJ4i2rJ5d8WCfE9DU/OfTmNPSD1P/ACg1mVC KmoukBpnPxlD7yD8IMZMXw0= =qKY6 -----END PGP SIGNATURE----- --==_Exmh_1254502217_3334P-- --===============1637088818479542241== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Containers mailing list Containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org https://lists.linux-foundation.org/mailman/listinfo/containers --===============1637088818479542241==--