2013 年 6月 27 日随笔档案 - 岌岌可危

高级NUMA参数

摘要： Advanced NUMA Attributes You can use the advanced NUMA attributes to customize NUMA usage. Attribute Description Default Numa.RebalancePeriod Controls the frequency of rebalance periods, spec... 阅读全文

posted @ 2013-06-27 11:04 岌岌可危阅读(1086) 评论(0) 推荐(0)

All you should know about NUMA in VMware!

摘要： http://www.elasticvision.info/ All you should know about NUMA in VMware! Lets try answering some typical questions before we understand NUMA on VMware.1. What is NUMA?Ans: NON-UNIFORM-MEMORY-ACCESS, m... 阅读全文

posted @ 2013-06-27 11:01 岌岌可危阅读(856) 评论(0) 推荐(0)

vsphere 处理NUMA

摘要： vsphere 4.1 之前： cpu调度会将一个VM的分配给一个home node,整个vm被看做一个NUMA client. 如果VM的vCPU数量超过一个NUMA node的可用数量，则不被看做一个NUMA client,vCPU平均分配到每个Node上。 NUMA优化就没有了，因为无法整合到一个Node里头。而且会有远程访问内存的性能问题。 4.1引入了wide VM。会划分更小的N... 阅读全文

posted @ 2013-06-27 11:00 岌岌可危阅读(787) 评论(0) 推荐(0)

Summarizing NUMA Scheduling两篇文章，解释得不错

摘要： http://vxpertise.net/2012/06/summarizing-numa-scheduling/ Sitting on my sofa this morning watching Scrubs, I was thinking about the NUMA related considerations in vSphere – yes, I am a nerd. I read a... 阅读全文

posted @ 2013-06-27 10:17 岌岌可危阅读(581) 评论(0) 推荐(0)

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