The load-testing tag is for issues relating to the setting up or running of load tests.

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6
votes
2answers
247 views

Odd performance fluctation with php-fpm and nginx

I'm running a load test against a web service. It's a php application running on php-fpm and nginx, with fastcgi. There is a MySQL backend being used for small reads only. Invariably, I'm seeing a ...
1
vote
2answers
724 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
2answers
706 views

Advice for simulating a high load on a web application — realistic httperf parameters

I have already selected httperf as the load testing tool to use. I'm trying to figure out some realistic parameters to use, and if I need to use multiple machines to create more simultaneous ...
1
vote
2answers
176 views

Load and performance testing for webapps with JavaScript support

Years ago I used OpenSTA to perform load and performance tests for web applications. I remember that it offered great recording possibilities which enabled us to quickly create new test scripts. ...
0
votes
2answers
576 views

Tuning high-raffic nginx and wordpress server

I have been conducting load-tests (via blitz.io) as I attempt to tune server performance on a pool of servers running php 5.5, wordpress 3.9.1, and nginx 1.6.2. My confusion arises when I overload a ...
2
votes
1answer
434 views

ab Failed Requests

I've built a simple apache + django + mod_wsgi webapp that I am testing on my local machine. I've started load testing it using ab - and I am seeing a few failed requests. ab -n 500 -c 100 "http://...
1
vote
1answer
111 views

Trying to estimate concurrent connections on my server - is this the right approach?

My goal is to find out, roughly, how many apache2 connections my server can handle at one time. I've gone through all of my running processes, including the apache2 processes, and figure that of the ...
1
vote
1answer
274 views

Jmeter distributed testing over ssh tunnel

While configuring jmeter distributed testing i faced a problem of remote connection to servers which are behind NAT. Node with jmeter client has external ip, all servers are in different LANs behind ...
1
vote
1answer
1k views

How to get what IP Address Ranges used by Visual Studio Online Load Testing Agents?

I need to setup IP Whitelisting in an environment that I need to run some Visual Studio Online Load Tests on. I was able to find some documentation as to what IP Addresses Visual Studio Online ...
0
votes
1answer
157 views

Are there any products to replay IIS Logs files for load testing?

I would like to take log files from IIS and import them into a tool. Then in that tool I would like it to generate a load testing script that includes all the requests and the timing of the requests. ...
0
votes
1answer
263 views

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 ...
0
votes
1answer
833 views

How can I determine Breaking point of my Web application using JMeter?

How can I determine Breaking point of my Web application using JMeter? I have executed the JMeter Testplan with different concurrent users load. EX. 300 users(0% error), 400 users(7% error in a sample,...
0
votes
1answer
219 views

Load Testing a Security/Gateway Appliance

In a couple weeks I will load testing a security/gateway appliance. We're a small residential college, and that "residential" means the traffic moving through the appliance is a bit like the Wild West....
0
votes
1answer
922 views

Load testing nginx inside AWS

I'm trying to load test nginx running on AWS. I need to try to optimise it to handle 1Gbps of inbound traffic. Currently I've got it to peak at 85Mbit/s by running nginx on an m1.large with 4 other ...
0
votes
1answer
383 views

SonicWALL SRA blocks load test as a DoS attack

I am evaluating the Web Application Firewall (WAF) service on a SonicWALL SRA virtual appliance. When I try to load test the protected website, SonicWALL blocks my requests with this error: "Reset ...
6
votes
0answers
553 views

nginx - connect() failed upstream under load testing

I've been doing some load testing with wrk of my nginx reverse proxy -> my web app setup and I noticed that when I get to 1000+ concurrent connections, nginx starts returning 502s and the following ...
1
vote
0answers
173 views

Identifying bottleneck with nginx VPS load testing

I'm trying to optimize a Digital Ocean droplet (512mb), testing using loader.io I'm testing on my homepage, which is HTTPS / PHP. I setup FastCGI page cache, which got me from 100 req/sec to 2,000 ...
1
vote
0answers
79 views

how to configure http request pipeling using wrk?

I am trying to load test nodejs helloworld, which is running on system 1 at http://10.20.10.10:5000 and I want to pipeline http requests from system 2. wrk takes a script as a parameter. I am ...
1
vote
0answers
64 views

emulate shared hosting load

I want to emulate some shared-hosting activity in testing environment. Is particularly interested I/O performance. Need to emulate: many sql queries, http queries, and some additional activity, ...
1
vote
0answers
60 views

nginx+mysql5 loadtesting configuration strangeness

i am trying to setup a new server running on debian6 and trying to make it work smooth under load. i ve used a wordpress site as a test object, and tried the configurations on http://blitz.io. when i ...
1
vote
0answers
513 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
0answers
119 views

Configure SilkPerformer to work with Fiddler

Does anyone know how to capture a Silk Performer HTTP request, using Fiddler? We can't seem to capture this information no matter what we try (it seems like it ignores all proxy settings).
1
vote
0answers
88 views

Is there anyway way to speed up Exchange 2007's Load Generator tool?

I'm running Load Generator to test our new deployment before going live and the initialization process has been running for two days and is only at 25% for ~58000 user test. Does anyone know of a way ...
0
votes
0answers
29 views

Server Specs for browser game that hugs cpu

Our team have developed a web browser game, our servers are using nginx and php-fpm to host the website. the game consist of two parts an api and the game itself. both applications reside on its own ...
0
votes
0answers
19 views

same page, different load time on different server

I am completely new to server admin. I have built a large site (for one person to code) and have to do things myself. I have a site on a shared server and another on a managed VPS. The VPS server ...
0
votes
0answers
28 views

IIS load test always fails no matter what

The scenario is very simple. An android apk file is served by IIS as a static content with application/vnd.android.package-archive as its MIME type. And it's located in the root of the website, for ...
0
votes
0answers
20 views

Simulate N users hitting a site within N seconds, with Siege?

I want to use siege to test what happens when 2,000 users hit the front page of my site within 30 seconds. This is what I've got right now: siege -c2000 -t30s -b myurl.com Is this correct? I can ...
0
votes
0answers
30 views

Connection vs request in httperf

What is the difference between # of connections and # of requests as shown in the httperf results? My understanding is that HTTP requests are stateless, so that each request would require a separate ...
0
votes
0answers
90 views

Concurrent POST requests using httperf

I am trying to stress test a server using httperf by sending multiple concurrent (say 1000) POST requests (with contents) at a specific rate per second (say 100). Is this the correct command: httperf ...
0
votes
0answers
97 views

Bad ping results while testing 6000 TCP clients with 18 mbytes/s total traffic on Windows Web Server 2008

The clients are running on the machine #1. The server is installed on the machine #2. The machines have a gigabit connection through a switch on their private vlan. There are no errors in the switch ...
0
votes
0answers
153 views

stress testing a QOS switch

I need to test a network Switch that has QOS capabilities. I need to simulate a large network (preferably up to or exceeding 100 devices), and I need to do it as a live test. My requirements are: • ...