Stress testing is a form of testing that is used to determine the stability of a given system or entity under load. It involves testing beyond normal operational capacity, often to a breaking point, in order to observe the results.

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Are there any tools for load / stress testing that can simulate image, video and audio uploads to Amazon EC2?

As part of my web application users can upload photos, audio and video files from a Flash SWF to my EC2 based upload server. I want to find a tool that I can use to stress test the EC2 instance (which ...
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What is a reliable stress-test tool for Dell R820 running VMware ESXi?

We have a Dell PowerEdge R820 running VMware ESXi that has had multiple CPU errors over the past two months. It was originally having an IERR on CPU1 and now is showing CPU Check errors for CPU3. I ...
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best practice or tools for stress test on a Tomcat application server and MySQL?

I am using Tomcat 6 application container for my web site. HTTP requests come from mobile phones and every time server receive a httprequest it opens MySQL connection, insert some data in it and then ...
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How do I interpret this Load Test result?

We used BlazeMeter to evaluate our site's capability to handle load. I set up a simple script that logs in (using a special page which ensures each load test user has a different account), visits ...
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How to automatically test the audio quality of a telephone line that randomly goes bad?

I am a computer scientist and I'm working as sysadmin of a small firm where I've been managing also the telephone system that my predecessor put in place. Albeit I don't really have the skill set for ...
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Interpreting Siege results with Nginx

I am trying to compare the performance of a clutch of web servers using Siege. Whilst the results from all the other servers are easy to understand I am having some difficulty understanding the ...
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182 views

APACHE/NGINX fine tuning for Apache Benchmark testing

I need to know some tuning configuration about APACHE/NGINX. I use Ubuntu Server 12.04.4 LTS on VirtuaBox with two VM: one with APACHE 2.2.22, the other with NGINX 1.1.19. In addition I installed PHP ...
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Stress testing Django app - how to improve throughput?

I'm having my first attempt at stress testing a simple django web app running from gunicorn and nginx which I’ve put on a small 256MB Rackspace Cloud server. Using httperf, I increase the number of ...
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server benchmarking with apache benchmark

We are testing one of our production server with ab and what we found is apr_socket_recv: Connection timed out (110) Total of 176 requests completed after some time above output.That means the ...
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top output seems fine, yet server is overloaded

This server I am benchmarking gives no obvious signs of getting overloaded at a first glance. top output: top - 22:48:25 up 5 days, 3:41, 3 users, load average: 3.19, 3.34, 3.25 Tasks: 146 total, ...