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[Xen-devel] performance of credit2 on hybrid workload
| To: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] performance of credit2 on hybrid workload |
| From: | David Xu <davidxu06@xxxxxxxxx> |
| Date: | Mon, 23 May 2011 04:15:50 -0400 |
| Cc: | george.dunlap@xxxxxxxxxxxxx |
| Delivery-date: | Mon, 23 May 2011 01:16:25 -0700 |
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Hi, Xen4.1 datasheet tells that credit2 scheduler is designed for latency sensitive workloads. Does it have some improvement on the hybrid workload including both the cpu-bound and latency-sensitive i/o work? For example, if a VM runs a cpu-bound task burning the cpu and a i/o-bound (latency-sensitive) task simultaneously, will the latency be guaranteed? And how?
Regards, Cong
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