From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Wu Subject: Re: Could rados pool support tree view feature ? Date: Tue, 20 Dec 2011 09:47:58 +0800 Message-ID: <1324345678.4089.35.camel@cephclient0> References: <1324277505.4089.26.camel@cephclient0> Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from [210.22.136.227] ([210.22.136.227]:19700 "EHLO MAIL.TNSOFT.COM.CN" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753039Ab1LTBsF (ORCPT ); Mon, 19 Dec 2011 20:48:05 -0500 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Tommi Virtanen Cc: ceph-devel Hi ,Tommi Thank you very much. 00011 and 00012 are sub-pools ,we want to map our iaas devices topology view meta data to these these sub-pools as a reference model.=20 On Tue, 2011-12-20 at 01:16 +0800, Tommi Virtanen wrote: > On Sun, Dec 18, 2011 at 22:51, Jeff Wu wrote: > > Could rados pool support tree view feature ?for instance : > > > > $rados lspools -m 172.16.10.10 > > data > > metadata > > rbd > > Product:00000001 > > =E2=94=9C=E2=94=80=E2=94=80 00011 > > =E2=94=82 =E2=94=94=E2=94=80=E2=94=80 00012 > > | =E2=94=94=E2=94=80=E2=94=80 00013 >=20 > What type are the 00011 and 00012 entries? Are they pools or objects, > or what? RADOS pools are flat namespaces of objects, there's no tree > structure there. >=20 > You should be able to write that easily, for example less than 100 > lines of Python using the "rados" module gets you the listing of the > pools and the objects in them, and then you can use whatever your > custom logic is for creating that tree shape. >=20 > The Ceph team pretty much starts with the assumption that your pools > are going to have at least millions of objects, so it's unlikely we'l= l > write pretty visual navigation apps listing individual objects. The > output would just be too long to be useful. -- 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