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

learn more… | top users | synonyms

0
votes
0answers
14 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 ...
4
votes
1answer
89 views

Load testing at 350,000 requests per minute [closed]

I need a way to reproduce the sudden burst of traffic our site experienced a while ago, to have a chance to keep our stack working. Our load balancer reported at a certain point that some 350k ...
0
votes
0answers
13 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
10 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 ...
-2
votes
1answer
25 views

Do routers and networks have have a “max threads” configuration? [closed]

I've been stress testing my application now and I've identified a high average network connection time. This is odd because I haven't gone over the max bandwith at all. What can this be caused by? ...
0
votes
1answer
28 views

Server monitoring software that will show each cpu seperatley [duplicate]

We have been using New Relic to monitor our server load but it aggregates all of the CPUs into one measure. Is there a good tool that is similar but will show individual CPU load?
0
votes
0answers
10 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
38 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
1answer
69 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. ...
1
vote
0answers
49 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
1answer
68 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
votes
2answers
55 views

Has anyone done a load test on AWS free tier? What is the crash point? [closed]

I think the capacity of AWS EC2 t2.micro instance is too low. I was sending somewhere around 100 mails to the customers and we had some 20+ users online. And the instance crashed. I had to restart it ...
1
vote
1answer
198 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 ...
0
votes
1answer
169 views

haproxy-varnish can't reach 6k requests

Issue I can't reach 6k requests/seconds. I get a lot of timeouts. My response time goes as high as 26 seconds. Intro I am setting up a server that will host a 100MB static-website. The thing is ...
0
votes
0answers
28 views

NGNIX limit_per_ip best for 100-200 users from same IP

so i am setting up a web server running ngnix and have it all nice and running, however after some load testing i have noticed a lot of requests are getting 503 errors due to the limits set by ngnix ...
4
votes
0answers
394 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 ...
0
votes
0answers
60 views

appropriate traffic to load test couchdb horizontal scaling

I'm designing the CouchDB backend to my web application, and I want to estimate how many GETs and PUTs per second I can achieve with a given number of instances. (Arguably I should be testing view ...
0
votes
0answers
84 views

How does tsung counts users?

Totally based on max-users setting on ? In my situation there 2 sessions with total of 20 requests under . Each request within any sessions have a random 2 seconds think time. Max users are 5000, ...
-3
votes
1answer
86 views

How to artificially open many tcp connection on a host (testing)? [closed]

I'm trying to build a test setup which test my server's performance under high load. In order to do that I want to open thousands of tcp connection. The problem is that I only have two hosts, one is ...
0
votes
1answer
410 views

Http proxy server performance analyzing

I have implemented a http proxy client/server. Currently I intended to test performance of this proxy client/server. Can anybody tell me what kind of tests should I take to analyze it's performance? ...
0
votes
0answers
80 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 ...
3
votes
1answer
46 views

Architecting for Load Testing

I'm trying to architect a set of web and database servers so that we can load test them. I'm running into some problems given the constraints I have to work with: We can't load test against ...
0
votes
2answers
501 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 ...
6
votes
1answer
196 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 ...
0
votes
2answers
325 views

Tools for replaying _all_ HTTP traffic [closed]

I intend to log all production HTTP requests to be able to do load testing and analysis on that data later on. The log replaying software I have seen so far only seem capable of replaying GETs. Are ...
0
votes
0answers
131 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: • ...
0
votes
1answer
198 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 ...
2
votes
1answer
554 views

High Mysql Connections

Having a challenge discovering why results are as they are. Perhaps missing something obvious. Sorry this isn't very specific. But if anyone has an pointers on areas to focus on that would be very ...
1
vote
1answer
824 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 ...
1
vote
1answer
165 views

Increase bandwidth per connection on a server

Requirement: I am load testing Rabbit MQ by generating a large number of requests/sec to the server (Server config: 8 core, 16GB). To achieve the above, I am generating load from a client machine at ...
2
votes
1answer
756 views

HAProxy max out at ~10,700 connections

I am stress testing ejabberd with Tsung. My EC2 instances setup as follows: Tsung : c3.xlarge ejabberd : c3.2xlarge HAProxy : t1.mirco When I let Tsung talk to the ejabberd instance directly, I ...
0
votes
1answer
177 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 ...
2
votes
2answers
5k views

HAProxy configuration for RabbitMQ

I have an API that sends messages to RabbitMQ. I have a high availability RabbitMQ cluster behind HAProxy. When I load test my API I start seeing lots of this: Recovering from a network failure... ...
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, ...
0
votes
2answers
183 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
1answer
245 views

Simple tool to test Amazon EC2 instance throughput?

I'm looking for a way to test the bandwidth throughput of a c3.8xlarge instance. I have two c3.8xlarge instances set up, so I imagine I could use the other to simulate the traffic. What's the ...
1
vote
2answers
62 views

How to limit disk performance?

I am load-testing a web application and studying the impact of some config tweaks (related to disk i/o) on the overall app performance, i.e. the amount of users that can be handled simultaneously. ...
1
vote
1answer
560 views

Continuous hits to the server with Jmeter

I have 100 threads in JMeter which I want to hit a server 12 times in a loop. But each time 100 threads will run and pause for 5 seconds and then resume hitting the servers for next 100 times. Here ...
0
votes
1answer
721 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 ...
0
votes
1answer
182 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 ...
6
votes
1answer
3k views

Why are 32-bit application pools more efficient in IIS? [closed]

I've been running load tests with two different ASP.NET web applications in IIS. The tests are run with 5,10,25, and 250 user agents. Tested on a box with 8 GB RAM, Windows 7 Ultimate x64. The same ...
1
vote
2answers
4k views

How to test a site with multiple concurrent users from various IPs (load test)?

I need to test a site and how it handles several connections simultaneously. Each user must: Connect from a different IP address Simulate a browsing user --> (open a few pages, click a few buttons) ...
2
votes
2answers
823 views

Does mysql connection error count ever flush or will the host eventually get blocked?

During performance testing of our application I found that under extreme loads one problem that can occur is the occasional mysql connection error (i.e. at this stage I don't believe it is fair to ...
1
vote
1answer
1k views

Monitoring “Request Wait Time” in PerfMon

A website I'm load testing is adding requests to the iis request queue. I can see the queue size getting bigger using the relevant performance counter: \ASP.NET\Requests Queued However I'm trying ...
2
votes
2answers
105 views

When load testing, is network 'distance' a factor?

I have a server application running on EC2 behind a Elastic Load Balancer. I have tested this using Blazemeter - a jMeter based load testing service that also runs on EC2 based infrastructure. The ...
2
votes
2answers
527 views

CPU, Memory, Network, IO resources are under utilized when I tried various JMeter load testing

I am trying to assess the performance of my web server which has Linux and Apache. I tried load testing using JMeter, and gradually increased the number of requests and recorded the response time as ...
0
votes
2answers
268 views

Load/stress testing methodology. What to expect and how to interpret results?

We have this new client for whom we're reviewing our server infrastructure. I know pretty well the web API because I've helped building it and now I'm on my own maintaining and pushing it forward, so ...
0
votes
1answer
831 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 ...
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
448 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 ...