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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;-webkit-line-break: after-white-space'><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Lorin,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks to point me the branch. I messed it. So you set the memory in Mb and disk in Kb.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have questions:<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The method ‘update_status’ in class HostState doesn’t return anything, so why method ‘update_host_status’ in class ’LibvirtConnection’ return it ?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I made this change on my testing infrastructure. I set a parent zone without compute workers, a child zone with compute worker. When the parent zone ask child to return weights list of compute hosts, the child reserved (the method ‘_schedule’ in class ‘ZoneAwareScheduler’ calls ‘consume_resources’ on each asked hosts) the resources for the instance while it doesn’t know if it will be selected. Do you meet that problem ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Édouard.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Lorin Hochstein [mailto:lorin@isi.edu] <br><b>Envoyé :</b> mercredi 20 juillet 2011 17:44<br><b>À :</b> THULEAU Edouard NRS<br><b>Cc :</b> openstack@lists.launchpad.net<br><b>Objet :</b> Re: [Openstack] Host filter Instance Type Filter with virt layer Libvirt<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Edouard:<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>There's another branch that has this code added to the libvirt layer, which has already been proposed for merge. I need to make some minor fixes, but once I do, I think it will be approved for merge.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Here's the merge proposal: <a href="https://code.launchpad.net/~usc-isi/nova/extra_specs_sched/+merge/65980">https://code.launchpad.net/~usc-isi/nova/extra_specs_sched/+merge/65980</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Lorin<o:p></o:p></p></div><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>--<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>Lorin Hochstein, Computer Scientist<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>USC Information Sciences Institute<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>703.812.3710<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'><a href="http://www.east.isi.edu/~lorin">http://www.east.isi.edu/~lorin</a><o:p></o:p></span></p></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Jul 20, 2011, at 11:15 AM, <<a href="mailto:edouard1.thuleau@orange-ftgroup.com">edouard1.thuleau@orange-ftgroup.com</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hi,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I try to add code to the Libvirt layer to enable the Instance Type Filter needed by the zone aware scheduler.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I looked the code of fake virt layer which implement that. The table ‘host_status’ in class ‘FakeConnection’ contains all capabilities of the host:</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>self.host_status = {</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_name-description': 'Fake Host',</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_hostname': 'fake-mini',</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_memory_total': 8000000000,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_memory_overhead': 10000000,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_memory_free': 7900000000,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_memory_free_computed': 7900000000,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_other_config': {},</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_ip_address': '192.168.1.109',</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_cpu_info': {},</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'disk_available': 500000000000,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'disk_total': 600000000000,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'disk_used': 100000000000,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_uuid': 'cedb9b39-9388-41df-8891-c5c9a0c0fe5f',</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> 'host_name_label': 'fake-mini'</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>}</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Nothing explain what corresponding each elements of this table and what unit use. I suppose, the unit is bytes for disk and memory.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>And in the code of the host filtering in the scheduler (nova/scheduler/host_filter.py method class ‘InstanceTypeFilter’ method ‘host_filtrer’), the scheduler compares the host capabilities with specified resources of the instance to determined which host can support it. But specified resources of the instance is in Mbytes for memory and Gbytes for the disk. Is it normal ?</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Édouard.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><pre>********************************************************************************<o:p></o:p></pre><pre>IMPORTANT.Les informations contenues dans ce message electronique y compris les fichiers attaches sont strictement confidentielles<o:p></o:p></pre><pre>et peuvent etre protegees par la loi.<o:p></o:p></pre><pre>Ce message electronique est destine exclusivement au(x) destinataire(s) mentionne(s) ci-dessus.<o:p></o:p></pre><pre>Si vous avez recu ce message par erreur ou s il ne vous est pas destine, veuillez immediatement le signaler a l expediteur et effacer ce message <o:p></o:p></pre><pre>et tous les fichiers eventuellement attaches.<o:p></o:p></pre><pre>Toute lecture, exploitation ou transmission des informations contenues dans ce message est interdite.<o:p></o:p></pre><pre>Tout message electronique est susceptible d alteration.<o:p></o:p></pre><pre>A ce titre, le Groupe France Telecom decline toute responsabilite notamment s il a ete altere, deforme ou falsifie.<o:p></o:p></pre><pre>De meme, il appartient au destinataire de s assurer de l absence de tout virus.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>IMPORTANT.This e-mail message and any attachments are strictly confidential and may be protected by law. This message is<o:p></o:p></pre><pre>intended only for the named recipient(s) above.<o:p></o:p></pre><pre>If you have received this message in error, or are not the named recipient(s), please immediately notify the sender and delete this e-mail message.<o:p></o:p></pre><pre>Any unauthorized view, usage or disclosure ofthis message is prohibited.<o:p></o:p></pre><pre>Since e-mail messages may not be reliable, France Telecom Group shall not be liable for any message if modified, changed or falsified.<o:p></o:p></pre><pre>Additionally the recipient should ensure they are actually virus free.<o:p></o:p></pre><pre>********************************************************************************<o:p></o:p></pre><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'>_______________________________________________<br>Mailing list:<span class=apple-converted-space> </span><a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a><br>Post to :<span class=apple-converted-space> </span><a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a><br>Unsubscribe :<span class=apple-converted-space> </span><a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a><br>More help :<span class=apple-converted-space> </span><a href="https://help.launchpad.net/ListHelp">https://help.launchpad.net/ListHelp</a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div><PRE>********************************************************************************
IMPORTANT.Les informations contenues dans ce message electronique y compris les fichiers attaches sont strictement confidentielles
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Ce message electronique est destine exclusivement au(x) destinataire(s) mentionne(s) ci-dessus.
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et tous les fichiers eventuellement attaches.
Toute lecture, exploitation ou transmission des informations contenues dans ce message est interdite.
Tout message electronique est susceptible d alteration.
A ce titre, le Groupe France Telecom decline toute responsabilite notamment s il a ete altere, deforme ou falsifie.
De meme, il appartient au destinataire de s assurer de l absence de tout virus.
IMPORTANT.This e-mail message and any attachments are strictly confidential and may be protected by law. This message is
intended only for the named recipient(s) above.
If you have received this message in error, or are not the named recipient(s), please immediately notify the sender and delete this e-mail message.
Any unauthorized view, usage or disclosure ofthis message is prohibited.
Since e-mail messages may not be reliable, France Telecom Group shall not be liable for any message if modified, changed or falsified.
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