From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe - Profihost AG Subject: Re: RBD fio Performance concerns Date: Thu, 22 Nov 2012 15:22:23 +0100 Message-ID: <50AE351F.9080505@profihost.ag> References: <0a4a4396-60cd-4782-8743-b2bbba2d2488@mailpro> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail.profihost.ag ([85.158.179.208]:53631 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757049Ab2KVTtM (ORCPT ); Thu, 22 Nov 2012 14:49:12 -0500 In-Reply-To: <0a4a4396-60cd-4782-8743-b2bbba2d2488@mailpro> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Alexandre DERUMIER Cc: Mark Nelson , ceph-devel , Mark Kampe , =?UTF-8?B?U8OpYmFzdGllbiBIYW4=?= Hi, can someone from inktank comment this? Might be using /dev/ram0 with an= =20 fs on it be better than tmpfs as we can use dio? Greets, Stefan > ----- Mail original ----- > > De: "Stefan Priebe - Profihost AG" > =C3=80: "S=C3=A9bastien Han" > Cc: "Mark Nelson" , "Alexandre DERUMIER" , "ceph-devel" , "Mark Ka= mpe" > Envoy=C3=A9: Jeudi 22 Novembre 2012 14:29:03 > Objet: Re: RBD fio Performance concerns > > Am 22.11.2012 14:22, schrieb S=C3=A9bastien Han: >> And RAMDISK devices are too expensive. >> >> It would make sense in your infra, but yes they are really expensive= =2E > > We need something like tmpfs - running in local memory but support di= o. > > Stefan > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html