[Engine-devel] [oVirt 3.3 Localization Question #8] Cluster Policy Function Label "Weights Modules"
This is a multi-part message in MIME format. --------------070700050003000508010602 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hello all, I would like to ask another question: * File: *ApplicationConstants *Resource ID: *clusterPolicyFunctionLabel *String:* Weights Modules *Question: *Could anyone please describe what this is referring to and where on the portal it appears? Thank you, Yuko -- Regards, Yuko Katabami (?????) Technical Translator II NAATI Accredited Professional Translator (English into Japanese) #28138 RHCSA #111-119-244 *Mobile:* +61 415 847 352 *Email:* ykatabam@redhat.com Red Hat *Red Hat, Asia-Pacific Pty Ltd* Level 1, 193 North Quay Brisbane 4000 *Office:* +61 7 3514 8100 *Fax:* +61 7 3514 8199 *Website:* www.redhat.com <http://www.redhat.com> *Facebook:* Red Hat APAC <http://www.facebook.com/redhatapac> | Red Hat Japan <http://www.facebook.com/redhatjapan> | Red Hat Korea <http://www.facebook.com/redhatkorea> | JBoss APAC <http://www.facebook.com/JBossAPAC> *Twitter:* Red Hat APAC <http://www.twitter.com/red_hat_apac> | Red Hat ANZ <http://www.twitter.com/redhatanz> *LinkedIn:* Red Hat APAC <http://www.linkedin.com/groups?gid=3124596> | JBoss APAC <http://www.linkedin.com/groups?gid=4068303> --------------070700050003000508010602 Content-Type: multipart/related; boundary="------------060102060208020203000001" --------------060102060208020203000001 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit <html> <head> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> </head> <body bgcolor="#FFFFFF" text="#000000"> Hello all,<br> <br> I would like to ask another question:<br> <b><br> File: </b>ApplicationConstants<br> <b>Resource ID: </b>clusterPolicyFunctionLabel<br> <b>String:</b> Weights Modules<br> <b>Question: </b>Could anyone please describe what this is referring to and where on the portal it appears?<br> <br> Thank you,<br> <br> Yuko<br> <br> <div class="moz-signature">-- <br> <font color="#000000" face="arial, sans-serif" size="2"> Regards, <br> <br> Yuko Katabami (方波見裕子) <br> Technical Translator II <br> NAATI Accredited Professional Translator (English into Japanese) #28138 <br> RHCSA #111-119-244 <br> <b>Mobile:</b> +61 415 847 352 <br> <b>Email:</b> <a class="moz-txt-link-abbreviated" href="mailto:ykatabam@redhat.com">ykatabam@redhat.com</a> <br> <br> <a target="_blank"><img 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----- Original Message -----
From: "Yuko Katabami" <ykatabam@redhat.com> To: engine-devel@ovirt.org Sent: Monday, August 5, 2013 9:52:18 AM Subject: [Engine-devel] [oVirt 3.3 Localization Question #8] Cluster Policy Function Label "Weights Modules"
Hello all,
I would like to ask another question:
File: ApplicationConstants Resource ID: clusterPolicyFunctionLabel String: Weights Modules Question: Could anyone please describe what this is referring to and where on the portal it appears?
Hi Yuko, it appears at: Configure (system level entity) -> cluster policies. I'm going to add descriptions (=blue info icons) next to each section with the following text: Filter: Filters represents hard constraints for running a VM. Each filter implements logic which validates a minimum requirements in order to run a VM. For example, minimum RAM, CPU, designated host, etc. Hosts who fail this validation are filtered out from the current request. Weight: Weights represent soft constraints for running a VM. Note: in a weighting system, lower score is considered better. So a host with the lowest score (weight) is the one the scheduler will choose. Each weight module scores any given host based on an optimization logic the module implements. For example, if we want to optimize for CPU load, the module will score each host based on its known CPU load. Weight modules scores are being summed, so it is possible to have more than one weight module. The way to prioritize modules is by increasing / decreasing a factor. Balance: Load balancing is a logic that determines which hosts are over-utilized and which are under-utilized. Then, the balancing mechanism calls the scheduler trying to migrate a VM from an over-utilized to an under-utilized host. Note that it is important to choose a balancing module that does not conflict with the weight module. Such a policy may destabilize this cluster. Only a single load-balancing module is supported. Custom properties: These properties are needed for one of the above modules, so they will appear when needed. Setting it when creating a policy generates the default values, which may be overridden in each specific cluster using this policy. (high level feature description: http://wiki.ovirt.org/Features/oVirtScheduler). Thanks, Gilad.
Thank you,
Yuko
-- Regards,
Yuko Katabami (方波見裕子) Technical Translator II NAATI Accredited Professional Translator (English into Japanese) #28138 RHCSA #111-119-244 Mobile: +61 415 847 352 Email: ykatabam@redhat.com
Red Hat, Asia-Pacific Pty Ltd Level 1, 193 North Quay Brisbane 4000 Office: +61 7 3514 8100 Fax: +61 7 3514 8199 Website: www.redhat.com
Facebook: Red Hat APAC | Red Hat Japan | Red Hat Korea | JBoss APAC Twitter: Red Hat APAC | Red Hat ANZ LinkedIn: Red Hat APAC | JBoss APAC
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This is a multi-part message in MIME format. --------------000007000001050100080900 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 08/05/2013 05:03 PM, Gilad Chaplik wrote:
----- Original Message -----
From: "Yuko Katabami" <ykatabam@redhat.com> To: engine-devel@ovirt.org Sent: Monday, August 5, 2013 9:52:18 AM Subject: [Engine-devel] [oVirt 3.3 Localization Question #8] Cluster Policy Function Label "Weights Modules"
Hello all,
I would like to ask another question:
File: ApplicationConstants Resource ID: clusterPolicyFunctionLabel String: Weights Modules Question: Could anyone please describe what this is referring to and where on the portal it appears? Hi Yuko,
it appears at: Configure (system level entity) -> cluster policies.
I'm going to add descriptions (=blue info icons) next to each section with the following text:
Filter: Filters represents hard constraints for running a VM. Each filter implements logic which validates a minimum requirements in order to run a VM. For example, minimum RAM, CPU, designated host, etc. Hosts who fail this validation are filtered out from the current request.
Weight: Weights represent soft constraints for running a VM. Note: in a weighting system, lower score is considered better. So a host with the lowest score (weight) is the one the scheduler will choose. Each weight module scores any given host based on an optimization logic the module implements. For example, if we want to optimize for CPU load, the module will score each host based on its known CPU load. Weight modules scores are being summed, so it is possible to have more than one weight module. The way to prioritize modules is by increasing / decreasing a factor.
Balance: Load balancing is a logic that determines which hosts are over-utilized and which are under-utilized. Then, the balancing mechanism calls the scheduler trying to migrate a VM from an over-utilized to an under-utilized host. Note that it is important to choose a balancing module that does not conflict with the weight module. Such a policy may destabilize this cluster. Only a single load-balancing module is supported.
Custom properties: These properties are needed for one of the above modules, so they will appear when needed. Setting it when creating a policy generates the default values, which may be overridden in each specific cluster using this policy.
(high level feature description: http://wiki.ovirt.org/Features/oVirtScheduler).
Thanks, Gilad. Hi Gilad, Thank you very much for your detailed description. It makes a clear sense now.
Kind regards, Yuko
Thank you,
Yuko
-- Regards,
Yuko Katabami (方波見裕子) Technical Translator II NAATI Accredited Professional Translator (English into Japanese) #28138 RHCSA #111-119-244 Mobile: +61 415 847 352 Email: ykatabam@redhat.com
Red Hat, Asia-Pacific Pty Ltd Level 1, 193 North Quay Brisbane 4000 Office: +61 7 3514 8100 Fax: +61 7 3514 8199 Website: www.redhat.com
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-- Regards, Yuko Katabami (方波見裕子) Technical Translator II NAATI Accredited Professional Translator (English into Japanese) #28138 RHCSA #111-119-244 *Mobile:* +61 415 847 352 *Email:* ykatabam@redhat.com Red Hat *Red Hat, Asia-Pacific Pty Ltd* Level 1, 193 North Quay Brisbane 4000 *Office:* +61 7 3514 8100 *Fax:* +61 7 3514 8199 *Website:* www.redhat.com <http://www.redhat.com> *Facebook:* Red Hat APAC <http://www.facebook.com/redhatapac> | Red Hat Japan <http://www.facebook.com/redhatjapan> | Red Hat Korea <http://www.facebook.com/redhatkorea> | JBoss APAC <http://www.facebook.com/JBossAPAC> *Twitter:* Red Hat APAC <http://www.twitter.com/red_hat_apac> | Red Hat ANZ <http://www.twitter.com/redhatanz> *LinkedIn:* Red Hat APAC <http://www.linkedin.com/groups?gid=3124596> | JBoss APAC <http://www.linkedin.com/groups?gid=4068303> --------------000007000001050100080900 Content-Type: multipart/related; boundary="------------000707020403090902050009" --------------000707020403090902050009 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit <html> <head> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> <br> <div class="moz-cite-prefix">On 08/05/2013 05:03 PM, Gilad Chaplik wrote:<br> </div> <blockquote cite="mid:1332729136.11112893.1375686205797.JavaMail.root@redhat.com" type="cite"> <pre wrap="">----- Original Message ----- </pre> <blockquote type="cite"> <pre wrap="">From: "Yuko Katabami" <a class="moz-txt-link-rfc2396E" href="mailto:ykatabam@redhat.com"><ykatabam@redhat.com></a> To: <a class="moz-txt-link-abbreviated" href="mailto:engine-devel@ovirt.org">engine-devel@ovirt.org</a> Sent: Monday, August 5, 2013 9:52:18 AM Subject: [Engine-devel] [oVirt 3.3 Localization Question #8] Cluster Policy Function Label "Weights Modules" Hello all, I would like to ask another question: File: ApplicationConstants Resource ID: clusterPolicyFunctionLabel String: Weights Modules Question: Could anyone please describe what this is referring to and where on the portal it appears? </pre> </blockquote> <pre wrap=""> Hi Yuko, it appears at: Configure (system level entity) -> cluster policies. I'm going to add descriptions (=blue info icons) next to each section with the following text: Filter: Filters represents hard constraints for running a VM. Each filter implements logic which validates a minimum requirements in order to run a VM. For example, minimum RAM, CPU, designated host, etc. Hosts who fail this validation are filtered out from the current request. Weight: Weights represent soft constraints for running a VM. Note: in a weighting system, lower score is considered better. So a host with the lowest score (weight) is the one the scheduler will choose. Each weight module scores any given host based on an optimization logic the module implements. For example, if we want to optimize for CPU load, the module will score each host based on its known CPU load. Weight modules scores are being summed, so it is possible to have more than one weight module. The way to prioritize modules is by increasing / decreasing a factor. Balance: Load balancing is a logic that determines which hosts are over-utilized and which are under-utilized. Then, the balancing mechanism calls the scheduler trying to migrate a VM from an over-utilized to an under-utilized host. Note that it is important to choose a balancing module that does not conflict with the weight module. Such a policy may destabilize this cluster. Only a single load-balancing module is supported. Custom properties: These properties are needed for one of the above modules, so they will appear when needed. Setting it when creating a policy generates the default values, which may be overridden in each specific cluster using this policy. (high level feature description: <a class="moz-txt-link-freetext" href="http://wiki.ovirt.org/Features/oVirtScheduler">http://wiki.ovirt.org/Features/oVirtScheduler</a>). Thanks, Gilad.</pre> </blockquote> Hi Gilad,<br> Thank you very much for your detailed description.<br> It makes a clear sense now.<br> <br> Kind regards,<br> <br> Yuko<br> <blockquote cite="mid:1332729136.11112893.1375686205797.JavaMail.root@redhat.com" type="cite"> <pre wrap=""> </pre> <blockquote type="cite"> <pre wrap=""> Thank you, Yuko -- Regards, Yuko Katabami (方波見裕子) Technical Translator II NAATI Accredited Professional Translator (English into Japanese) #28138 RHCSA #111-119-244 Mobile: +61 415 847 352 Email: <a class="moz-txt-link-abbreviated" href="mailto:ykatabam@redhat.com">ykatabam@redhat.com</a> Red Hat, Asia-Pacific Pty Ltd Level 1, 193 North Quay Brisbane 4000 Office: +61 7 3514 8100 Fax: +61 7 3514 8199 Website: <a class="moz-txt-link-abbreviated" href="http://www.redhat.com">www.redhat.com</a> Facebook: Red Hat APAC | Red Hat Japan | Red Hat Korea | JBoss APAC Twitter: Red Hat APAC | Red Hat ANZ LinkedIn: Red Hat APAC | JBoss APAC _______________________________________________ Engine-devel mailing list <a class="moz-txt-link-abbreviated" href="mailto:Engine-devel@ovirt.org">Engine-devel@ovirt.org</a> <a class="moz-txt-link-freetext" href="http://lists.ovirt.org/mailman/listinfo/engine-devel">http://lists.ovirt.org/mailman/listinfo/engine-devel</a> </pre> </blockquote> </blockquote> <br> <div class="moz-signature">-- <br> <font color="#000000" face="arial, sans-serif" size="2"> Regards, <br> <br> Yuko Katabami (方波見裕子) <br> Technical Translator II <br> NAATI Accredited Professional Translator (English into Japanese) #28138 <br> RHCSA #111-119-244 <br> <b>Mobile:</b> +61 415 847 352 <br> <b>Email:</b> <a class="moz-txt-link-abbreviated" href="mailto:ykatabam@redhat.com">ykatabam@redhat.com</a> <br> <br> <a target="_blank"><img src="cid:part1.03050209.01050108@redhat.com" alt="Red Hat" height="42" border="0" width="128"></a> <br> <br> <b>Red Hat, Asia-Pacific Pty Ltd</b> <br> Level 1, 193 North Quay <br> Brisbane 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participants (2)
-
Gilad Chaplik -
Yuko Katabami