On 06/08/2011 11:11 AM, Takuya Yoshikawa wrote: > On Tue, 07 Jun 2011 20:58:06 +0800 > Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> wrote: > >> The performance test result: >> >> Netperf (TCP_RR): >> =========================== >> ept is enabled: >> >> Before After >> 1st 709.58 734.60 >> 2nd 715.40 723.75 >> 3rd 713.45 724.22 >> >> ept=0 bypass_guest_pf=0: >> >> Before After >> 1st 706.10 709.63 >> 2nd 709.38 715.80 >> 3rd 695.90 710.70 >> > > In what condition, does TCP_RR perform so bad? > > On 1Gbps network, directly connecting two Intel servers, > I got 20 times better result before. > > Even when I used a KVM guest as the netperf client, > I got more than 10 times better result. > Um, which case did you test? ept = 1 or ept=0 bypass_guest_pf=0 or both? > Could you tell me a bit more details of your test? > Sure, KVM guest is the client, and it uses e1000 NIC, and uses NAT network connect to the netperf server, the bandwidth of our network is 100M. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
