Re: [Openstack-operators] Tuning I/O with SSDs

2016-08-05 Thread Kostiantyn.Volenbovskyi
y ;) BR, Konstantin -Original Message- From: gustavo panizzo (gfa) [mailto:g...@zumbi.com.ar] Sent: Friday, August 05, 2016 5:43 PM To: Volenbovskyi Kostiantyn, INI-ON-FIT-CXD-ELC Cc: tim.b...@cern.ch; openstack-operators@lists.openstack.org Subject: Re: [Openstack-operators] Tunin

Re: [Openstack-operators] Tuning I/O with SSDs

2016-08-05 Thread Silence Dogood
lly, moving janitor and cache to the SSD while we have backend > replication in HDD. > > Still way too early for formal report but remind me in a couple of months. > > > > Edgar > > > > *From: *Tim Bell > *Date: *Friday, August 5, 2016 at 3:44 AM > *To: *open

Re: [Openstack-operators] Tuning I/O with SSDs

2016-08-05 Thread gustavo panizzo (gfa)
On Fri, Aug 05, 2016 at 12:09:50PM +, kostiantyn.volenbovs...@swisscom.com wrote: > 3) The question of cfq vs. deadline vs. noop scheduler (apparently both > in guest and host) where decision should be based on > workloads/recommendations of OS vendor (/which again might be > release-

Re: [Openstack-operators] Tuning I/O with SSDs

2016-08-05 Thread Edgar Magana
at 3:44 AM To: openstack-operators Subject: [Openstack-operators] Tuning I/O with SSDs Has anyone a good recipe for improving I/O performance when the hypervisor has SSDs ? The configuration is CentOS 7 for guest and hypervisor with KVM. Tim

Re: [Openstack-operators] Tuning I/O with SSDs

2016-08-05 Thread Kostiantyn.Volenbovskyi
based on workloads/recommendations of OS vendor (/which again might be release-dependent). BR. Konstantin From: Tim Bell [mailto:tim.b...@cern.ch] Sent: Friday, August 05, 2016 12:44 PM To: openstack-operators Subject: [Openstack-operators] Tuning I/O with SSDs Has anyone a good recipe for

[Openstack-operators] Tuning I/O with SSDs

2016-08-05 Thread Tim Bell
Has anyone a good recipe for improving I/O performance when the hypervisor has SSDs ? The configuration is CentOS 7 for guest and hypervisor with KVM. Tim ___ OpenStack-operators mailing list OpenStack-operators@lists.openstack.org http://lists.opens