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On 31 May 2016, at 14:30, Ralf Schenk <rs@databay.de> wrote: =20 Hello, =20 I try to get VM's to use hugepages by default. We use them on our = manual VM's set up for libvirt and experience performance advantages. I = installed vdsm-hook-hugepages, but according to = http://www.ovirt.org/develop/developer-guide/vdsm/hook/hugepages/ = <http://www.ovirt.org/develop/developer-guide/vdsm/hook/hugepages/> I = have to set hugepages=3DSIZE. Engine Web-Fronted doesn't show an option = anywhere to specify this.=20 =20
It uses transparent hugepages for quite some time, which kind of = obsoleted the hook. Do you really need/want to explicitly configure = hugepages, is THP not good enough for your case? (though, I tried the hook not so long ago and it did its job, so not = sure what=E2=80=99s the problem=E2=80=A6, it=E2=80=99s just annoying to = configure it:) Thanks, michal
I want the VMs to have: =20 <memoryBacking> <hugepages/> </memoryBacking> =20 Any hint ? Versions: =20 vdsm.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-cli.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-gluster.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-hook-hugepages.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-hook-vmfex-dev.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-infra.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-jsonrpc.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-python.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-xmlrpc.noarch 4.17.28-0.el7.centos = @ovirt-3.6 vdsm-yajsonrpc.noarch 4.17.28-0.el7.centos = @ovirt-3.6 =20 Engine: ovirt-engine.noarch 3.6.6.2-1.el7.centos = @ovirt-3.6 =20 --=20 =20 <logo_databay_email.gif> =20 Ralf Schenk fon +49 (0) 24 05 / 40 83 70 fax +49 (0) 24 05 / 40 83 759 mail rs@databay.de <mailto:rs@databay.de> =09 Databay AG Jens-Otto-Krag-Stra=C3=9Fe 11 D-52146 W=C3=BCrselen www.databay.de <http://www.databay.de/> =20 Sitz/Amtsgericht Aachen =E2=80=A2 HRB:8437 =E2=80=A2 USt-IdNr.: DE = 210844202 Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, = Dipl.-Kfm. Philipp Hermanns Aufsichtsratsvorsitzender: Klaus Scholzen (RA) _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
http://www.ovirt.org/develop/developer-guide/vdsm/hook/hugepages/</a> I have to set hugepages=3DSIZE. Engine Web-Fronted doesn't show an option anywhere to specify this. <br = class=3D""></p></div></div></blockquote><div><br class=3D""></div>It = uses transparent hugepages for quite some time, which kind of obsoleted =
--Apple-Mail=_15BD2D59-9242-4470-8E01-EE4F817EEF47 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div = class=3D"">On 31 May 2016, at 14:30, Ralf Schenk <<a = href=3D"mailto:rs@databay.de" class=3D"">rs@databay.de</a>> = wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""> =20 <meta http-equiv=3D"content-type" content=3D"text/html; = charset=3Dutf-8" class=3D""> =20 <div bgcolor=3D"#FFFFFF" text=3D"#000000" class=3D""><p = class=3D"">Hello,</p><p class=3D"">I try to get VM's to use hugepages by = default. We use them on our manual VM's set up for libvirt and experience performance advantages. I installed vdsm-hook-hugepages, but according to <a class=3D"moz-txt-link-freetext" = href=3D"http://www.ovirt.org/develop/developer-guide/vdsm/hook/hugepages/"= the hook. Do you really need/want to explicitly configure hugepages, is = THP not good enough for your case?</div><div>(though, I tried the hook = not so long ago and it did its job, so not sure what=E2=80=99s the = problem=E2=80=A6, it=E2=80=99s just annoying to configure = it:)</div><div><br = class=3D""></div><div>Thanks,</div><div>michal</div><div><br = class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div = bgcolor=3D"#FFFFFF" text=3D"#000000" class=3D""><p class=3D""> </p><p class=3D"">I want the VMs to have:</p><p class=3D""><tt = class=3D""> <memoryBacking><br class=3D""> <hugepages/><br class=3D""> </memoryBacking><br class=3D""> </tt><br class=3D""> </p><p class=3D"">Any hint ?<br class=3D""> </p><p class=3D"">Versions:</p><p class=3D""><tt = class=3D"">vdsm.noarch &nbs= p; = 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-cli.noarch = &n= bsp; 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-gluster.noarch &n= bsp; 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-hook-hugepages.noarch &= nbsp; 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-hook-vmfex-dev.noarch &= nbsp; 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-infra.noarch &nbs= p; = 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-jsonrpc.noarch &n= bsp; 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-python.noarch &nb= sp; 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-xmlrpc.noarch &nb= sp; 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><tt = class=3D"">vdsm-yajsonrpc.noarch = 4.17.28-0.el7.centos = @ovirt-3.6</tt><tt class=3D""><br class=3D""> </tt><br class=3D""> </p> Engine:<br class=3D""> = ovirt-engine.noarch &= nbsp; &nb= sp; 3.6.6.2-1.el7.centos = @ovirt-3.6<br class=3D""> <br class=3D""> <div class=3D"moz-signature">-- <br class=3D""><div class=3D""> <br class=3D"webkit-block-placeholder"></div> <table border=3D"0" cellpadding=3D"0" cellspacing=3D"0" class=3D""> <tbody class=3D""> <tr class=3D""> <td colspan=3D"3" class=3D""><span = id=3D"cid:part1.FD451D75.B4E6C315@databay.de"><logo_databay_email.gif&g= t;</span></td> </tr> <tr class=3D""> <td valign=3D"top" class=3D""> <font face=3D"Verdana, Arial, = sans-serif" size=3D"-1" class=3D""><br class=3D""> <b class=3D"">Ralf Schenk</b><br class=3D""> fon +49 (0) 24 05 / 40 83 70<br class=3D""> fax +49 (0) 24 05 / 40 83 759<br class=3D""> mail <a href=3D"mailto:rs@databay.de" class=3D""><font = color=3D"#FF0000" class=3D""><b class=3D"">rs@databay.de</b></font></a><br= class=3D""> </font> </td> <td width=3D"30" class=3D""> </td> <td valign=3D"top" class=3D""> <font face=3D"Verdana, Arial, = sans-serif" size=3D"-1" class=3D""><br class=3D""> <b class=3D"">Databay AG</b><br class=3D""> Jens-Otto-Krag-Stra=C3=9Fe 11<br class=3D""> D-52146 W=C3=BCrselen<br class=3D""> <a href=3D"http://www.databay.de/" class=3D""><font = color=3D"#FF0000" class=3D""><b class=3D"">www.databay.de</b></font></a> </font> </td> </tr> <tr class=3D""> <td colspan=3D"3" valign=3D"top" class=3D""> <font = face=3D"Verdana, Arial, sans-serif" size=3D"1" class=3D""><br class=3D""> Sitz/Amtsgericht Aachen =E2=80=A2 HRB:8437 =E2=80=A2 = USt-IdNr.: DE 210844202<br class=3D""> Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, Dipl.-Kfm. Philipp Hermanns<br class=3D""> Aufsichtsratsvorsitzender: Klaus Scholzen (RA) </font> </td> </tr> </tbody> </table> <hr noshade=3D"noshade" size=3D"1" width=3D"100%" class=3D""> </div> </div> _______________________________________________<br class=3D"">Users = mailing list<br class=3D""><a href=3D"mailto:Users@ovirt.org" = class=3D"">Users@ovirt.org</a><br = class=3D"">http://lists.ovirt.org/mailman/listinfo/users<br = class=3D""></div></blockquote></div><br class=3D""></body></html>= --Apple-Mail=_15BD2D59-9242-4470-8E01-EE4F817EEF47--