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<p class="MsoNormal">How do the resource placement strategy and utilization AND resource location preference relate?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I mean, is it one or the other? Or both somehow?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I set a resource location preference, how will that affect placement strategy like balanced? Vice versa.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Here’s the problem I’m looking at.<o:p></o:p></p>
<p class="MsoNormal">I have a large number of resources that have very different utilization values. Say 1-10. All my nodes have the same utilization values. I want the placement to be balanced. That works nicely. Consider what happens when a node fails
and then rejoins the cluster. The balanced placement moves the resources when the node fails and again when it rejoins. It’s not good to have resources move. Setting a resource-stickiness helps when the node fails. Rebalancing seems to be sane. But, when
the node rejoins, the resources stick where they are and the rejoining node carries no load. If I don’t do any resource placement strategy at all and consider each resource to be equal, I can set resource location preferences so that resources move when the
node fails and return to it when it rejoins.<o:p></o:p></p>
<p class="MsoNormal">I want it all. :-) <o:p></o:p></p>
<p class="MsoNormal">I want the resources to be placed with balanced regard to utilization.
<o:p></o:p></p>
<p class="MsoNormal">I want only the resources on a failed node to be reallocated to remaining nodes (with balanced utilization as much as possible).<o:p></o:p></p>
<p class="MsoNormal">I want those resources to return to the node when it rejoins. (Or a subset of them if that balances better.)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I could ignore placement strategy and script up resource location preferences that mimic a balanced load. But, I’d rather let clustering do it.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any ideas would be very welcome.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Regards.</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br>
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Mark K Vallevand
<a href="mailto:Mark.Vallevand@Unisys.com"><span style="color:blue">Mark.Vallevand@Unisys.com</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br>
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Never try and teach a pig to sing: it's a waste of time, and it annoys the pig.</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Times New Roman","serif"">THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please
contact the sender and delete the e-mail and its attachments from all computers.</span><o:p></o:p></p>
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