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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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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60 views

Put NIC under heavy load [closed]

I think I've got a faulty NIC so I want to put it under heavy but controlled load to see if and when it dies. How can I generate such a load? The NIC is in a Hyper-V host with Windows and Linux ...
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2answers
83 views

Siege - running a stress test benchmark

I need to do a benchmark test of a HTTPS server using Siege, to see how it behaves under massive load. I'm initiating tests from another machine which is quite powerful and it is connected to the same ...
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1answer
106 views

Diameter traffic generator [closed]

I am in a hunt for a Diameter protocol simulator / traffic generator. It needs to be robust, actively maintained, well documented and portable (Solaris and Linux OS is expected). The goal is to ...
3
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1answer
128 views

Why are cgroups (blkio serviced bytes) and iotop producing diverging results

I work with lxc user space tools on ubuntu 14.04 and I want to perform some stress tests and benchmarking within a container. I know that free and htop are not working properly in a container. I am ...
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1answer
101 views

how to benchmark an ubuntu webserver using Jmeter and create a test report.?

I have an ubuntu webserver(LAMP) running a clients website.I have already created a test plan with jmeter, what i would like to know is how would we benchmark the server with Jmter and create a test ...
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3answers
224 views

Is it possible to use curl to accurately stress test a site that has lots of javascript?

I have a web site that has lots of javascript but simple html. I want to try simple stress tests with curl. Is that possible? If I just curl the site I get HTML. So making tons of curl requests won't ...
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0answers
174 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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0answers
132 views

How do I interpret this 'siege' load test results?

I'm performing some stress tests to a server with siege (v3.0.0), and I want to get back the following information: Number of requests that returned a status code < 400 Number of requests that ...
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2answers
105 views

How long/how hard should I stress test CPU and memory before declaring it OK?

One of our Dell PowerEdge LCDs was showing "CPU 2 machine check error", but I couldn't find anything in the logs regarding MCE or "Hardware Error." I cleared the message, but I wanted to run the ...
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43 views

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, ...
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1answer
3k views

How do I install Stress load testing tool on CentOS?

stress is a tool that imposes CPU, memory, I/O, or disk stress on an operating system, so you can test if your applications work under high load, e.g. when almost out of memory. How do I install ...
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1answer
561 views

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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3answers
160 views

inconsistencies between stress test and real browsing

I have noticed that a new server that I am setting up is fairly slower than the current server, and made some stress tests/benchmarking to study the problem. But after the tests I am getting ...
2
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1answer
305 views

How can I stress an Ethernet managed Switch?

for testing purposes I need to stress an 8-port managed ethernet switch. Essentially, I want to simulate a scenario in which two hosts on the switch are exchanging data and the other hosts connected ...
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2answers
431 views

How can I perform IIS stress test 40,000 http requests per second?

I'm the co-founder of a startup which is in the beginning and growing rapidly. I want to test an stress scenario on my IIS server to help figure out the resource needed from our cloud service, like ...
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7answers
2k views

Is it necessary to burn-in RAM for server-class hardware?

Considering the fact that many server-class systems are equipped with ECC RAM, is it necessary or useful to burn-in the memory DIMMs prior to their deployment? I've encountered an environment where ...
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2answers
102 views

Stress test uploading speed of the server [duplicate]

I need to test a server max uploading speed, before production. What options do i have? Any services, tips, tricks are welcomed. Thanks.
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1answer
76 views

Linux Program For Stress Testing Current Website [duplicate]

I'm evolved in a project and the server cost's we're using are going to be based on a number of different factors. One of those factors are how many cores we need for the website. If there a ...
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2answers
76 views

What Testing for Secondhand Servers?

I've recently bought a used rackmount 2950 server on Ebay to use for a specific project. I'm going to be spending a lot of time on this server, so I want to try and identify any major problems before ...
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1answer
407 views

Stress (Linux) Settings, Expectations, and Questions [closed]

Just got some new Cores and RAM in last week, wamnted to stress test them and see if they were any good. Unfortunately I couldn't find any real resources on how to do this without an OD so I fired up ...
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1answer
186 views

How to test server under heavy network traffic? [closed]

I need to test our server infrastructure providing static content, under heavy traffic. I need to utilize 10GBps at minimum if our new CDN infrastructure is working correctly, or pinout bottlenecks. ...
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2answers
72 views

Emulating a real `living` Datacentre

I am working on enhancing a BI platform, plugged into a bunch of stats gathered from a virtual datacentre (based on Jasper, but this shouldn't really make a difference). So far, I have 4 hypervisors ...
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1answer
392 views

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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0answers
258 views

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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1k views

How can I test how an application handles thousands of TCP connections?

We're attempting to track down an issue a client is having with injecting large quantities of mail to our gateway, and somewhere along the line, his connections are being rejected. Unfortunately, ...
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2answers
4k views

How to test cat5/cat6 cable runs, using software-only, or simple tools?

Are there any utilities or simple tools or techniques to easily test a CAT5 cable, to see how well was it installed? Cat5 is often installed by amateurs, but has been installed and "working" for ...
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2answers
1k views

How to perform diagnostics (stress test) on HP Smartarray Controller

At my office, we have a server that we suspect its RAID controller (HP Smartarray) is failing. A cold boot, however, does not indicate anything. Can anyone recommend me a method to stress-test the ...
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2answers
977 views

Automated Load/Stress testing via a continuous integration server

My company currently has stress tests that are run manually through JMeter. We also use TeamCity for automation of JUnit testing. It's become clear that we need to automate our stress testing as well ...
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2answers
439 views

Linux - Counter Measure against Stress Tools

I have a VPS running Ngix and currently hosting a few websites. As you know VPS have low resource and the security measures should be done by client. I just noticed many stress tools are out there ...
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3answers
1k views

Stress-testing Apache Tomcat

How can I stress test apache tomcat app? I tried using jmeter but will get error from jmeter after a certain number: java.net.ConnectException: Connection timed out: connect at ...
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1answer
2k views

Apache ab test and fail- Apache or PHP configuration issue?

I wrote a RESTful web service to be the backbone behind a mobile app using PHP and the Restler library. It's running on my dev server running Windows Server 2008 R2, PHP 5.3.5, Apache 2.2.17, and ...
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1answer
674 views

How much memory can I lock before the system starts swapping/thrashing?

I'm trying to use Memtester as a memory stress and correctness test for my organization's Linux boxes. Memtester basically just takes in an amount of memory to test as an argument, locks that much ...
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1answer
2k views

Strange Jmeter connection refuse on Tomcat

I tried difference setting in Jmeter and Tomcat. If the Threads number in JMeter is 1~200, Then tomcat is okay. If It is 300, Then after serving few requests, tomcat starts to output errors. Here ...
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3answers
671 views

Is there a service that simulates high traffic using data from log files?

I need to test a saas service load by sending 1000s requests/sec from multiple remote sources. The urls need to be from my access log. Is there a service that does that?
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2answers
105 views

load testing based on access log recording [duplicate]

Possible Duplicate: Tools for load-testing HTTP servers? I need to load test a saas system to find capacity+bottlenecks. My preferred method is to record a few 100,000s or millions of real ...
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2answers
1k views

Stress Testing / Load Testing Proxy services / web servers

What are the best load testing tools for stress testing web servers and proxy services such as NAT. Some metrics to consider include throughput. hits per second. machine load.
2
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1answer
355 views

Ubuntu server burn in test

We've assembled a simple storage server with COTS SATA disks that we're planning to tie together with software raid (Ubuntu Server, mdadm). What burn-in tests can one run to test the system, in ...
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1answer
111 views

issues with jmeter concurency testing

I'm doing stress test on my web server, using 8 different clients in jmeter: 3 of them are on SunOS 5 3 of them are on SunOS 5 but in virutalbox 2 of them are on linux If I do a test only using ...
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5answers
9k views

How to stress test web server?

Is there a tool (preferably a web service) that can stress test our site? We're having problems with our site going down once we have about 100 concurrent users. Forums seem to suggest I need to tweak ...
2
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4answers
1k views

DCHP and Router load testing

I manage a campground wifi network with an average of 10 - 60 active users. I have encountered issues where the router starts acting flaky (failing to assign DHCP or failing to pass traffic) without ...
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1answer
260 views

FTP server performance

I have build an FTP server which needs to be able to handle 2000Connexion/minute. Each client connect and upload some file to the server I'm using pure-ftpd. Anyone knows what kind of server (I'm ...
2
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1answer
643 views

Performance testing servers: How to characterize performance?

I need to purchase servers, and need to understand the right way to specify them. Based on the answers to this question, there are several parameters to take into account: CPU speed + Number of CPU ...
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1answer
2k views

Stress login-area with Siege

I need testing the performance of the reserved area of my website. I want use Siege for this goal. For accessing to reserved area you must be logged to my site. How can I send with Siege a ...
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2answers
99 views

What are good ways to stress-test machines in data center clusters?

We recently got a bunch of machines in data center and want to do stress testing for drive failures. How to stress test for drive failures. Are there any tools available? Are there any other ...
6
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3answers
4k views

How can artificially create a slow query in mysql?

I'm giving a hands on presentation in a couple weeks. Part of this demo is for basic mysql trouble shooting including use of the slow query log. I've generated a database and installed our app but its ...
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4answers
600 views

Stress test a server for simultaneous connection

I am trying to figure out a practical way to stress test a server for 300 to 600 simultaneous connections. Any advice? Thank you everyone for the help. To be more specific (sorry I wasn't before) ...
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2answers
136 views

Stress Testing Windows Server 2k8 Box

Let me start off by explaining why I want to do this. Everything was running fine. I imported a snapshot of a MySQL DB on another server in prep for setting up master-master replication (this one ...
2
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3answers
874 views

stress test video streaming [closed]

is there a way to stress test video streaming? Basically simulating a high number of people simultaneously streaming a video? This is an amazon 'cloud' service that will be enabled for my site.
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3answers
2k views

What software to test SATA drives before adding to RAID 5 Array

I'll be creating a 6drive RAID 5 array for use with Openfiler. What I'd like to do is test the drives thoroughly before building the array and putting them into production. What free software is ...