From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Thornber Date: Wed, 23 Mar 2011 08:13:45 -0700 Subject: [PATCH 1/6] Pool locking code In-Reply-To: <4D8A098C.8060803@redhat.com> References: <1300888988.14527.28.camel@ubuntu> <4D8A098C.8060803@redhat.com> Message-ID: <1300893225.14527.37.camel@ubuntu> List-Id: To: lvm-devel@redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, 2011-03-23 at 15:54 +0100, Zdenek Kabelac wrote: > Forget to answer the size question - >8MB is allocated by the VG > mempool when > set of simple linear 7200LVs on 1 PV are in use. So I think each snapshot/restore of a VG pool of that size is going to take ~0.1 seconds. So now my question is how many times are we expecting to happen during a typical tool invocation? Your previous reply suggested it happens just once? - Joe