[ovirt-users] Re: Tuning Gluster Writes

2019-04-15 Thread Alex McWhirter
On 2019-04-15 12:58, Alex McWhirter wrote: > On 2019-04-15 12:43, Darrell Budic wrote: Interesting. Who's 10g cards and > which offload settings did you disable? Did you do that on the servers or the > vm host clients or both? > > On Apr 15, 2019, at 11:37 AM, Alex McWhirter wrote: > > I

[ovirt-users] Re: Tuning Gluster Writes

2019-04-15 Thread Alex McWhirter
On 2019-04-15 12:43, Darrell Budic wrote: > Interesting. Who's 10g cards and which offload settings did you disable? Did > you do that on the servers or the vm host clients or both? > > On Apr 15, 2019, at 11:37 AM, Alex McWhirter wrote: > > I went in and disabled TCP offload on all the

[ovirt-users] Re: Tuning Gluster Writes

2019-04-15 Thread Darrell Budic
Interesting. Who’s 10g cards and which offload settings did you disable? Did you do that on the servers or the vm host clients or both? > On Apr 15, 2019, at 11:37 AM, Alex McWhirter wrote: >> I went in and disabled TCP offload on all the nics, huge performance boost. >> went from 110MB/s to

[ovirt-users] Re: Tuning Gluster Writes

2019-04-14 Thread Alex McWhirter
On 2019-04-14 17:07, Strahil Nikolov wrote: > Some kernels do not like values below 5%, thus I prefer to use > vm.dirty_bytes & vm.dirty_background_bytes. > Try the following ones (comment out the vdsm.conf values ): > > vm.dirty_background_bytes = 2 > vm.dirty_bytes = 45000 >

[ovirt-users] Re: Tuning Gluster Writes

2019-04-14 Thread Strahil Nikolov
Some kernels do not like values below 5%, thus I prefer to use vm.dirty_bytes & vm.dirty_background_bytes. Try the following ones (comment out the vdsm.conf values ):vm.dirty_background_bytes = 2vm.dirty_bytes = 45000 It's more like shooting in the dark , but it might help. Best

[ovirt-users] Re: Tuning Gluster Writes

2019-04-14 Thread Alex McWhirter
On 2019-04-14 13:05, Alex McWhirter wrote: On 2019-04-14 12:07, Alex McWhirter wrote: On 2019-04-13 03:15, Strahil wrote: Hi, What is your dirty cache settings on the gluster servers ? Best Regards, Strahil NikolovOn Apr 13, 2019 00:44, Alex McWhirter wrote: I have 8 machines acting as

[ovirt-users] Re: Tuning Gluster Writes

2019-04-14 Thread Alex McWhirter
On 2019-04-14 12:07, Alex McWhirter wrote: On 2019-04-13 03:15, Strahil wrote: Hi, What is your dirty cache settings on the gluster servers ? Best Regards, Strahil NikolovOn Apr 13, 2019 00:44, Alex McWhirter wrote: I have 8 machines acting as gluster servers. They each have 12 drives

[ovirt-users] Re: Tuning Gluster Writes

2019-04-14 Thread Alex McWhirter
On 2019-04-13 03:15, Strahil wrote: Hi, What is your dirty cache settings on the gluster servers ? Best Regards, Strahil NikolovOn Apr 13, 2019 00:44, Alex McWhirter wrote: I have 8 machines acting as gluster servers. They each have 12 drives raid 50'd together (3 sets of 4 drives raid

[ovirt-users] Re: Tuning Gluster Writes

2019-04-13 Thread Strahil
Hi, What is your dirty cache settings on the gluster servers ? Best Regards, Strahil NikolovOn Apr 13, 2019 00:44, Alex McWhirter wrote: > > I have 8 machines acting as gluster servers. They each have 12 drives > raid 50'd together (3 sets of 4 drives raid 5'd then 0'd together as > one).