Hi guys.
I detected that the problem only happen on vware esxi 4.0, I changed the
network driver to e1000 and vmnetx but the problem follows, like James
commented on vware esxi 5.0 all is working fine.
Some idea masters of vmware?
This problem is breaking my head! I know that It is a issue between vmware
and the Linux kernel solved on esxi v5 like the tests show, but I would
like find some explanation
Regards!
2012/1/16 James LeRoy <ja...@getsurreal.com>
> I have tested zen lb on VMware ESXi 5.0 and did not experience any of the
> slowness you mentioned. The web interface and ssh connections were very
> responsive as well as the DNS service I was load balancing.****
>
> ** **
>
> *From:* Emilio Campos [mailto:emilio.campos.mar...@gmail.com]
> *Sent:* Monday, January 16, 2012 1:56 PM
>
> *To:* zenloadbalancer-support@lists.sourceforge.net; ANBORCAM ..
> *Subject:* [Zenloadbalancer-support] slowness with zen on vmware esxi****
>
> ** **
>
> Hi all.
>
>
> I would like ask to the list about zen lb working on vmware technology.
> Some user wrote me about problems with vmware esxi, the problem is:
>
> Slowness on the entire operative system for tasks with the network, we
> detected slowness on ssh connections, https connections or any connections
> that work over network. The operative system are working fine, and there
> isn't resources (load, cpu or memory) with a high use, also detected that
> there is no slowness if you connect over vmware vhsphere. I detected that
> the problem is on some TCP/IP values that we modify on the kernel.
>
> on /etc/sysctl.conf the next value:
>
> net.ipv4.tcp_tw_recycle = 1 cause the problem, by default on v2rcX
>
> net.ipv4.tcp_tw_recycle = 0 there is no problem
>
>
> Trying of solve the problem we modified the driver that vmware configure
> by default for linux (e1000) with vmxnet3, and installed the vmwaretools
> but the problem follow.
>
> I know that the problem is on the network virtualization that make vmware,
> but I don't know how It could be solved
>
> Some idea?, other member of the list detected the same problem with vmware
> or other virtualization architecture?
>
> Regards!
>
> --
> Load balancer distribution - Open Source Project
> http://www.zenloadbalancer.com
> Distribution list (subscribe):
> zenloadbalancer-support@lists.sourceforge.net****
>
>
>
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