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[lvs-users] Ldirector Performance Testing

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: [lvs-users] Ldirector Performance Testing
From: Anil Pillai <rcamphor@xxxxxxxxx>
Date: Wed, 27 Oct 2010 18:20:13 +0530
Hi,

I have a LVS/DR setup (ldirectord) with One Director and two Real Servers.
On Real Servers i have Apache Webserver running on port 8080.
Each Apache is capable of serving 150 TPS.
Now when i did load testing via Virtual IP, i am still getting same TPS
(150).
For load testing i have used apache benckmark (ab) tool.
As per my understanding via Load Balancer (VIP) TPS should increase and
should get around 300 TPS.

Not sure where i am going wrong. Can anyone help me on this ?

Below is the Setup Details:

Director (Just acts as director only):

10.50.57.55 -> Virtual IP
10.50.57.45 -> Physical IP

Real Server 1:
10.50.57.22 -> Physical IP on eth0
lo:0      Link encap:Local Loopback

          inet addr:10.50.57.55  Mask:255.255.255.255

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

Real Server 2:
10.50.57.23 -> Physical IP on eth0
 lo:0      Link encap:Local Loopback

          inet addr:10.50.57.55  Mask:255.255.255.255

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

# Global Directives
checktimeout=3
checkinterval=6
autoreload=yes
logfile="/var/log/ldirectord.log"
quiescent=yes
# HTTP services
virtual=10.50.57.55:8080
service=http
scheduler=rr
protocol=tcp
checktype=negotiate
real=10.50.57.22:8080
real=10.50.57.23:8080
request="test/lvs.html"
receive="Test Page"


Added Below line in sysctl.conf on Real Servers:
net.ipv4.conf.lo.arp_ignore = 1
net.ipv4.conf.lo.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2


Regards,
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