Re: [ovirt-users] Question about Huge Pages

2017-04-21 Thread Michal Skrivanek
> On 20 Apr 2017, at 17:39, Gianluca Cecchi wrote: > > On Thu, Apr 20, 2017 at 10:35 AM, Michal Skrivanek > wrote: > >> On 19 Apr 2017, at 16:28, Gianluca Cecchi >

Re: [ovirt-users] Question about Huge Pages

2017-04-20 Thread Gianluca Cecchi
On Thu, Apr 20, 2017 at 10:35 AM, Michal Skrivanek wrote: > > On 19 Apr 2017, at 16:28, Gianluca Cecchi > wrote: > > On Wed, Apr 19, 2017 at 3:44 PM, Martin Polednik > wrote: > >> >>> >> If you are using recent CentOS (or I

Re: [ovirt-users] Question about Huge Pages

2017-04-20 Thread Michal Skrivanek
> On 19 Apr 2017, at 16:28, Gianluca Cecchi wrote: > > On Wed, Apr 19, 2017 at 3:44 PM, Martin Polednik > wrote: > > > If you are using recent CentOS (or I guess Fedora), there isn't any > extra setup required.

Re: [ovirt-users] Question about Huge Pages

2017-04-19 Thread Gianluca Cecchi
On Wed, Apr 19, 2017 at 3:44 PM, Martin Polednik wrote: > >> > If you are using recent CentOS (or I guess Fedora), there isn't any > extra setup required. Just create the custom property: > Both my engine and my hosts are CentOS 7.3 + updates > > On the host where engine

Re: [ovirt-users] Question about Huge Pages

2017-04-19 Thread Martin Polednik
On 19/04/17 14:01 +0200, Gianluca Cecchi wrote: On Wed, Apr 19, 2017 at 8:03 AM, Michal Skrivanek wrote: Why not reserving regular hugepages for VMs on boot? Do you mean at hypervisor level? In this case it is what I'm doing normally for physical servers where I

Re: [ovirt-users] Question about Huge Pages

2017-04-19 Thread Gianluca Cecchi
On Wed, Apr 19, 2017 at 8:03 AM, Michal Skrivanek wrote: > > Why not reserving regular hugepages for VMs on boot? Do you mean at hypervisor level? In this case it is what I'm doing normally for physical servers where I install Oracle RDBMS > then you can use > it with

Re: [ovirt-users] Question about Huge Pages

2017-04-19 Thread Michal Skrivanek
> On 18 Apr 2017, at 18:03, Gianluca Cecchi wrote: > > Hello, > I'm testing virtualization of some Oracle servers. > I have 4.1.1 with CentOS 7.3 servers as hypervisors. > Typically on physical Oracle servers I configure huge pages for Oracle memory > areas. > In

[ovirt-users] Question about Huge Pages

2017-04-18 Thread Gianluca Cecchi
Hello, I'm testing virtualization of some Oracle servers. I have 4.1.1 with CentOS 7.3 servers as hypervisors. Typically on physical Oracle servers I configure huge pages for Oracle memory areas. In particular I disable Transparent Huge Pages, because they are known to be in conflict with Oracle