grinder load testing

Let's imagine the following scenarios. You are about to end six months of development for a complex Internet application or web service and are ready to deploy it. The development team carefully designed loosely coupled N-Layer Web applications. Starting from the first day of work, all elements necessary for scalable, stable, and high-performance applications have been fully built into the system architecture. The Quality Assurance team has thoroughly tested the system, solved most serious error

. During Linux kernel processing, each process defaults to a fixed time slice to execute the command (default 1/100 seconds), during which time the process is allocated to the CPU and then exclusively used. If used up, while not to the time slice of the specified time, then take the initiative to abandon the CPU occupation, if the time slice has not completed the work, then the right to use the CPU will be retracted, the process will be interrupted pending waiting for the next time slice. the di

The last one months is not to write a document is to knock JS, these two days rarely have a pressure test, finally with the Java hook. First talk about stress testing, this is definitely a very exciting thing to play the heartbeat, imagine, eyes staring at the performance of the server analysis data, while constantly increasing load, heart thump thump jump, really exciting. First of all, thank the two bro

program. Of course, you can use standard testing methods (publish your program and expect the best results), but you still decide to test the performance of your program in advance. This is a good sign! Test requirementsTo better test your ASP program, you must first determine how much pressure your program will face in the future. Simply put, the pressure or load can be divided into the following figures:

Using LoadRunner for load testing in large loads requires configuring some environment to meet the full range of resources under heavy load:1. In order to avoid the occurrence of "No Buffer Space Available "Error, the following configuration is required:1) Modify the registration form:* Set "Hkey_local_machine\system\currentcontrolset\services\tcpip\parAmeters\tc

Server performance stress testing tools include http_load, webbench, AB, and siege. A webbench can simulate up to 30 thousand concurrent connections to test the load capacity of the website. 1. applicable system: Linux 2. Compile and install:Reference wget http://blog.s135.com/soft/linux/webbench/webbench-1.5.tar.gz Tar zxvf webbench-1.5.tar.gz CD webbench-1.5 Make make install Usage: Webbench-C concurren

The server load test of PHP program accelerated exploration. Read the server load test of PHP program accelerated exploration. it is also common that the server load is too large and affects the program efficiency. we need to test this. Here I take the most common Apache server as an example. The Apache server comes with a tool named AB (apacheworkflow) in the bi

Main Features High performance:the load can being distributed on a cluster of client machines Multi-protocols using a plugin system: HTTP, WebDAV, SOAP, PostgreSQL, MySQL, LDAP, Xmpp/jabber, BOSH, MQTT and AMQP is currently supported. SSL is also supported. Several IP addresses can be used on a single machine using the underlying OS IP aliasing OS monitoring (CPU, memory and network traffic) using SNMP, Munin or Erlang agents on remote serve

Web Server stress (load) Testing Tool SiegeAn open-source stress testing tool that allows you to perform concurrent access to multiple users on a WEB Site Based on configurations, recording the corresponding time of all request processes of each user, and repeated in a certain number of concurrent accesses.Official: http://www.joedog.org/1. Download source code

Load Testing Tool ripplet Latest ripplet version: 0.8b Ripplet features: 1) license based on Apache license 2.0; 2) Software ProgramPerformance and load testing tools; 3) Four distributed Java components: test injection engine, server/product monitor, test data center, and test user console; 4) the test client

interrupts your Web application by testing breakpoints to identify and fix weaknesses in your application and provide a basis for when to acquire new hardware. The common open Source tool is siege. Speed up skillsBy installing the PHP accelerator, you can effectively provide PHP execution speed, the three most common accelerators are alternative PHP Cache (APC), eaccelerator, and Ioncube php Accelerator (PHPA). It is also important to note that the c

installation and testing of Nginx load Balancer 1. Configure 3 Machines A server ip:192.168.157.128 (master)b Server ip:192.168.157.136C Server ip:192.168.157.137Vim/etc/hosts192.168.157.128 HADOOP1192.168.157.136 HADOOP2192.168.157.137 HADOOP32. nginx.conf setting A server nginx.conf settingsOpen nginx.conf, and the file location is in the Conf directory of the Nginx installation directory.Add the follow

= Props.getproperty (name). Trim ();IDX = Value.indexof (', ');if (idx = =-1) throw new Exception ("File Format Error, ', ' not Found");s = Integer.parseint (value.substring (0,IDX))-1;//based-0E = Integer.parseint (value.substring (idx+1))-1;//based-0int[] flag = new int[]{s,e,0};//[s,e]idx-0System.out.println ("********s:" +s+ ", E:" +e);System.out.println ("********name:" +name);Dbdesc.put (name, flag);}}col:based-0public static string Getnextdatabank (String Name,int col) throws exception{i

Reprinted from: http://www.blogjava.net/cenwenchu/archive/2008/06/30/211712.htmlSIP 's fourth phase is over because of the richness of the control strategy, the previous stress test results have been unable to reflect the health of the SIP at high concurrency and high pressure , and therefore need to be re-tested for stress. After the test staff to do a week of stress testing, the pressure test report is formally released, it is also an end, but the n