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:[email protected]]
Sent: Monday, January 16, 2012 1:56 PM
To: [email protected]; 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): [email protected]
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