Re: [Xen-users] bridge throughput problem

[Fasiha Ashraf <feehapk@xxxxxxxxxxx>]

What is Guest1 and Guest2?
These are PV domUs of Fedora11(32bit).
Is it on the same dom0 or on different dom0?
Yes, they are on the same host on same physical machine.
What is dom0 <-> Guest2 netperf result?
 
Sr.No.              Client               Server               Time(sec)        Throughput(Mbps)
   1                   Guest-1              Dom0                    180                            2398 - 2500
   2                     Dom0             Guest-1                   180                            1636 - 1883   
Also, what OS/Xen version you use on dom0?
Dom0 OS is also Fedora11.
[root@HPCNL-SR-2 ~]# xm info
host                   : HPCNL-SR-2
release                : 2.6.30-rc6-tip
version                : #1 SMP Tue Aug 25 12:26:16 PKST 2009
machine                : i686
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 1995
hw_caps                : bfebfbff:20100000:00000000:00000140:000ce33d:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 8186
free_memory            : 2
node_to_cpu            : node0:0-7
node_to_memory         : node0:2
xen_major              : 3
xen_minor              : 4
xen_extra              : .2-rc1-pre
xen_caps               : xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xf5800000
xen_changeset          : Thu Aug 20 08:30:24 2009 +0100 19740:7a57911ff09e
cc_compiler            : gcc version 4.4.0 20090506 (Red Hat 4.4.0-4) (GCC)
cc_compile_by          : root
cc_compile_domain      : (none)
cc_compile_date        : Tue Aug 25 09:55:27 PKST 2009
xend_config_format     : 4

Regards,
Fasiha Ashraf

--- On Fri, 4/9/09, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:

From: Fajar A. Nugraha <fajar@xxxxxxxxx>
Subject: Re: [Xen-users] bridge throughput problem
To: "Fasiha Ashraf" <feehapk@xxxxxxxxxxx>
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Friday, 4 September, 2009, 5:49 PM

On Fri, Sep 4, 2009 at 7:22 PM, Fasiha Ashraf<feehapk@xxxxxxxxxxx> wrote:
>   5                     Guest-1           Guest-2
> 180                            0.14 - 0.29
>
> You can see throughput is ok in all cases else Guest to Guest communication.
> If anyone has some idea, please share. What could be the reason?

What is Guest1 and Guest2? PV domU? HVM domU? What OS? Is it on the
same dom0 or on different dom0? What is dom0 <-> Guest2 netperf
result?

Also, what OS/Xen version you use on dom0?

---

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