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From "glinius@live.com" <glin...@live.com>
Subject Re: Jmeter load test against AWS and nginx
Date Mon, 26 Mar 2018 04:51:03 GMT
 1. First of all check out that your server is not overloaded via  Amazon
CloudWatch <https://aws.amazon.com/cloudwatch/>   or  JMeter PerfMon Plugin
<https://jmeter-plugins.org/wiki/PerfMon/>  
 2. IP Spoofing on Linux works the same way as on any other operating
system, you just need to have all "virtual" IP addresses bond to one or
multiple network interfaces, you can use something like:


> ifconfig eth0:0 10.20.30.40 up

 

 Replace "eth0" with your network interface name and "10.20.30.40" with the
IP address of your choice. Repeat the command as many time as needed to
create as many IP addresses aliases as required for your test scenario. See 
Using IP Spoofing to Simulate Requests from Different IP Addresses with
JMeter
<https://www.blazemeter.com/blog/using-ip-spoofing-simulate-requests-different-ip-addresses-jmeter>
 
 3. Just in case add a  DNS Cache Manager
<http://jmeter.apache.org/usermanual/component_reference.html#DNS_Cache_Manager>  
to your Test Plan, if you have more than one Nginx instance behind the  ELB
<https://aws.amazon.com/elasticloadbalancing/>   it might be the case JMeter
hits only single instance while others are idle. 



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