From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-2?Q?S=B3awomir_Skowron?= Subject: Re: Two questions Date: Thu, 28 Jul 2011 09:18:52 +0200 Message-ID: <680021437521473788@unknownmsgid> References: <8685614628192678277@unknownmsgid> Mime-Version: 1.0 (iPhone Mail 8G4) Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:47039 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750782Ab1G1HTC convert rfc822-to-8bit (ORCPT ); Thu, 28 Jul 2011 03:19:02 -0400 Received: by fxh19 with SMTP id 19so986104fxh.19 for ; Thu, 28 Jul 2011 00:19:01 -0700 (PDT) In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Sage Weil Cc: "ceph-devel@vger.kernel.org" Dnia 27 lip 2011 o godz. 17:52 Sage Weil napisa=C5=82= (a): > On Wed, 27 Jul 2011, S?awomir Skowron wrote: >> Hello. I have some questions. >> >> 1. Is there any chance to change default 4MB object size to for >> example 1MB or less ?? > > Yeah. You can use the cephfs to set the default layout on the root > directory, which will apply to any new files. See 'man cephfs'. Ok. Thanks. >> 2. I have create cluster of two mons, and 32 osd (1TB each) on two >> machines. At this radosgw with apache2 for test. When i putting data >> from s3 client to rados, everything is ok, but when one of osd is >> going down all s3 clients going to be freeze for some seconds, befor= e >> ceph sign this osd as down, and then everything is starting working >> again wit degraded osd. How can i tune this marking as a down for ms >> or 0 :) and not for seconds freeze ?? > > The 'osd heartbeat grace' defualt is 20. Stick something like > > osd heartbeat grace =3D 5 > > in the [osd] section of your ceph.conf Thanks, i will check this in work. > sage > -- 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