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.

learn more… | top users | synonyms

23
votes
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 ...
9
votes
4answers
2k views

How to stress test an apache server running on a linux box

There seems to be something taking our server off-line and we are having trouble tracing the cause, if it is down to load of a particular site or a script. It does seem to be Apache related. Does ...
5
votes
3answers
3k 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 ...
4
votes
1answer
1k 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 ...
3
votes
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 ...
3
votes
4answers
545 views

Stress test speed on a gateway?

I'm interested in stress testing my gateway server but am lost on how. Most of the stress testing applications I've seen only see how much load an app like Apache can handle, but not this. ...
3
votes
3answers
1k 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 ...
3
votes
2answers
131 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 ...
3
votes
1answer
1k views

JMeter Stress testing

MAMP server hosting a Joomla instance. I'd like to hear the community's thoughts on the best way to stress test the server and find it's breaking point on concurrent users etc. Currently I have setup ...
3
votes
1answer
46 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 ...
2
votes
2answers
1k views

What can I do to “stress test” an ASA5505?

Just wondering there is any kind of stress test I can put the ASA through. I'm asking this not to help with a problem but just for reference. I know I could use iperf to send a bunch of traffic ...
2
votes
3answers
574 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?
2
votes
1answer
1k 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 ...
2
votes
1answer
206 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 ...
2
votes
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 ...
2
votes
1answer
1k 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 ...
2
votes
1answer
603 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 ...
2
votes
3answers
800 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.
2
votes
2answers
721 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 ...
2
votes
1answer
285 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 ...
1
vote
2answers
3k 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 ...
1
vote
3answers
124 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 ...
1
vote
2answers
370 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 ...
1
vote
2answers
497 views

Server stress test and configuring for beginners?

Our city is having a very public event soon (data harvesting for public spots available in the city hall) which required our company to create a form application to submit curriculums and some ...
1
vote
2answers
766 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.
1
vote
4answers
509 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) ...
1
vote
1answer
429 views

Stress Testing VPS

Anyone ever stress test a VPS. Or know of any custom stress tests that would work?
1
vote
1answer
317 views

Stress testing an RDS server / farm

I need to find a way to autotest a small RDS deployment for ~50 users, working in a set of RDS session hosts. The users are going to be mainly running MS Office 2007 - Excel, Word, Outlook (connected ...
1
vote
1answer
575 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 ...
1
vote
1answer
106 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 ...
1
vote
0answers
96 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 ...
1
vote
1answer
347 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 ...
1
vote
1answer
70 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 ...
1
vote
1answer
268 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 ...
1
vote
0answers
194 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 ...
1
vote
2answers
390 views

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 ...
1
vote
0answers
432 views

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 ...
0
votes
2answers
313 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 ...
0
votes
2answers
75 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 ...
0
votes
2answers
814 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 ...
0
votes
3answers
373 views

avoid people running “stress tests” / attacks on our server (CentOS + Apache)

today we ran apachebench on our server to stress test it. Of course, our system peaked and disk I/O was massive. Can we avoid that other people run such "tests" or some sort of attack to stress our ...
0
votes
2answers
68 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 ...
0
votes
2answers
106 views

Network Download Test?

I currently have 2 links of 20 Mbps on my hand and wanted to test them internationally and nationally. I already have the 2 national links for test but am having problems finding some good ...
0
votes
3answers
76 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 ...
0
votes
1answer
979 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, ...
0
votes
3answers
916 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 ...
0
votes
1answer
15 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 ...
0
votes
1answer
56 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 ...
0
votes
2answers
72 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 ...
0
votes
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 ...