siege ( https://github.com/JoeDog/siege ) es una herramienta sencilla para hacer pruebas de carga contra una aplicación web (http), la forma de instalarlo dependerá de la distribución que utilices, a continuación van algunos ejemplos de cómo utilizarlo.
La opción b es de BENCHMARK no habrá intervalos de demora entre solicitudes, con t se especifica que será por 60 segundos:
root@unknown:~# siege -b -t60s http://localhost
** SIEGE 4.0.4
** Preparing 25 concurrent users for battle.
The server is now under siege...
HTTP/1.1 200 0.02 secs: 45 bytes ==> GET /
Lifting the server siege...HTTP/1.1 200 0.00 secs: 45 bytes ==> GET /
HTTP/1.1 200 0.01 secs: 45 bytes ==> GET /
Transactions: 67288 hits
Availability: 100.00 %
Elapsed time: 59.07 secs
Data transferred: 2.89 MB
Response time: 0.01 secs
Transaction rate: 1139.12 trans/sec
Throughput: 0.05 MB/sec
Concurrency: 15.20
Successful transactions: 67290
Failed transactions: 0
Longest transaction: 0.47
Shortest transaction: 0.00
La opción c especifica concurrencia, d especifica tiempo de demora entre solicitudes, t es el tiempo a ejecutarse:
betanzos@unknown:~$ siege -c50 -d10 -t3M http://localhost
** SIEGE 4.0.4
** Preparing 50 concurrent users for battle.
The server is now under siege...
Lifting the server siege...
Transactions: 1884 hits
Availability: 100.00 %
Elapsed time: 179.62 secs
Data transferred: 0.08 MB
Response time: 0.00 secs
Transaction rate: 10.49 trans/sec
Throughput: 0.00 MB/sec
Concurrency: 0.04
Successful transactions: 1884
Failed transactions: 0
Longest transaction: 0.09
Shortest transaction: 0.00gg