Hi, What verslons of RHEL and Ubuntu are you comparing ?
Regards, John Smith On Wed, Dec 11, 2013 at 12:23 AM, Kotwani, Mukul <mukul.g.kotw...@hp.com> wrote: > A new piece of data.. > > We used the disable_fallocate configurable on Ubuntu, and the numbers do > reduce, but they are nowhere near the numbers for Redhat (5.8). > > As an example, for a specific test: > PUT for Ubuntu, default parameters: ~140 ops/sec > PUT for Ubuntu, disable_fallocate=true: ~100 ops/sec > PUT for Redhat 5.8, default parameters: ~15 ops/sec > > Has anyone seen this? We are not able to find anything that can explain this > kind of discrepancy. FYI, this is the same hardware(we are switching between > Ubuntu and RH, to keep things the same) and software(Swift and xfs, same > versions for both), same ring configuration, same test scripts. It seems like > Ubuntu is far ahead, and we don't have any root cause ATM. PUTs are written > though to the disk and not cached, so I am not sure what to attribute this to. > > Has anyone run Swift on RH and done comparisons with Ubuntu? > > Any help/pointers would be great! > > Thanks, > Mukul > > > -----Original Message----- > From: Kotwani, Mukul > Sent: Thursday, December 05, 2013 6:44 PM > To: Pete Zaitcev > Cc: OpenStack Mailing List > Subject: Re: [Openstack] [Swift] Swift on RHEL > > Thanks Pete! > > We were using Grizzly, which is over a release old, with Folsom Keystone for > RHEL. So not recent at all. Is there something that would be missing in > RHEL5.x which would cause performance issues? I saw some references to > fallocate, but not much beyond that. Is this something you would expect to > see? > > Which was the first RHEL release was Swift supported on officially? I tried > to find a support matrix or supportable platforms but could not find > anything.. > > Mukul > > -----Original Message----- > From: Pete Zaitcev [mailto:zait...@redhat.com] > Sent: Thursday, December 05, 2013 4:36 PM > To: Kotwani, Mukul > Cc: OpenStack Mailing List > Subject: Re: [Openstack] [Swift] Swift on RHEL > > On Thu, 5 Dec 2013 21:19:49 +0000 > "Kotwani, Mukul" <mukul.g.kotw...@hp.com> wrote: > >> Has anyone used and/or deployed RHEL (5.8) with Swift? >> I was also looking for a "Supported platforms" for Swift, and I could >> not find it. > > I don't think an RDO for RHEL 5.x ever existed. First packages were built a > year after RHEL 6 GA shipped. The oldest build in Koji is > openstack-swift-1.0.2-5.fc15 (a community build by Silas), and the oldest > RHOS build is openstack-swift-1.4.8-2.el6 from 2012. > > Frankly I'm surprised you managed to get it running at all. (Which Swift > release is that, BTW? We even require PBR nowadays.) > > I dimly remember bothering with XFS for RHEL 5, but it was so long ago that I > cannot even remember if I got that cluster to do anything useful. > > -- Pete > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
