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Virtual Machine Access to Storage Via a Multi-Queue IO Storage Adapter With Optimized Cache Affinity and PCPU Load Balancing
Virtual Machine Access to Storage Via a Multi-Queue IO Storage Adapter With Optimized Cache Affinity and PCPU Load Balancing
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机译:虚拟机通过具有优化的缓存亲和力和PCPU负载平衡的多队列IO存储适配器访问存储
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摘要
A method is provided for use in a system that includes a host machine that includes multiple physical CPUs (PCPUs) and at least two cache nodes that are shared by different sets of the PCPUs, comprising: creating in a memory device multiple sets of lanes each lane set associated with a respective PCPU set; tracking levels of processing activity of the PCPUs of each PCPU set; using an MSIX vector value to associate lanes with PCPUs; receiving a IO request from any given PCPU from among the multiple PCPUs; and assigning the IO request to a respective lane based at least in part upon the PCPU set associated with the lane and PCPU processing activity levels.
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