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2answers
61 views

Diagnose a server crash, possibly CPU temp

I have a desktop running as a ubuntu server at another office. Lately its been shutting itself down once in a while, and I'm a bit unsure how to diagnose this. The syslog looks like this: May 20 ...
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2answers
76 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 ...
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 ...
0
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1answer
164 views

httperf burst­length when using wsesslog

I am trying to use httperf to stress test a server using the following syntax httperf --hog --client=0/1 --server myserver.com \ --wsesslog=2000,2,mysessions.cfg --max-piped-calls 5 --rate 150 ...
1
vote
1answer
578 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 ...
0
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2answers
99 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 ...
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 ...
11
votes
5answers
10k views

Network Stress Test Tool

I need a tool to stress test our network in between two machines. The app should send out a packet to machine 2, machine 2 should send it back, machine 1 verifys the packet is correct, generates a ...
4
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8answers
4k views

What are the best open source tools to stress-test a Linux system? [closed]

What open sources tools do you recommend for stress-testing a Linux server? Specifically, we're wanting to thrash the CPU, hard disk array and memory. We have a 4-year-old IBM server that was ...
1
vote
1answer
293 views

Training for load testing web apps?

We've discussed the tools used for load testing here on ServerFault, but what about training on how to use them properly? Are there companies that specialize in IT training that cover load testing? ...