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Locust is an easy-to-use, distributed, user load testing tool. It is intended for load-testing web sites (or other systems) and figuring out how many concurrent users a system can handle. The behavior of each locust (or test user if you will) is defined by you and the swarming process is monitored from a web UI in real-time. This will help you battle test and identify bottlenecks in your code before letting real users in. WWW: https://locust.io/ Approved by: araujo (mentor), rene (mentor) Sponsored by: cleverbridge AG Differential Revision: https://reviews.freebsd.org/D18895
51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
from locust import HttpLocust, TaskSet, task
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import random
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def index(l):
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l.client.get("/")
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def stats(l):
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l.client.get("/stats/requests")
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class UserTasks(TaskSet):
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# one can specify tasks like this
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tasks = [index, stats]
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# but it might be convenient to use the @task decorator
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@task
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def page404(self):
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self.client.get("/does_not_exist")
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class WebsiteUser(HttpLocust):
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"""
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Locust user class that does requests to the locust web server running on localhost
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"""
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host = "http://127.0.0.1:8089"
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# Most task inter-arrival times approximate to exponential distributions
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# We will model this wait time as exponentially distributed with a mean of 1 second
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wait_function = lambda self: random.expovariate(1)*1000 # *1000 to convert to milliseconds
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task_set = UserTasks
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def strictExp(min_wait,max_wait,mu=1):
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"""
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Returns an exponentially distributed time strictly between two bounds.
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"""
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while True:
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x = random.expovariate(mu)
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increment = (max_wait-min_wait)/(mu*6.0)
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result = min_wait + (x*increment)
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if result<max_wait:
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break
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return result
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class StrictWebsiteUser(HttpLocust):
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"""
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Locust user class that makes exponential requests but strictly between two bounds.
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"""
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host = "http://127.0.0.1:8089"
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wait_function = lambda self: strictExp(self.min_wait, self.max_wait)*1000
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task_set = UserTasks
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