用Python实现的Web服务器的压力测试工具
用Python写了一个网页抓取的工具,用来做网页的服务器压力测试。也可以模拟运行时的状态。
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- import time
- import urllib2
- import threading
- from Queue import Queue
- from time import sleep
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- PERF_TEST_URL = "http://localhost:8080/perf.jsp"
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- THREAD_NUM = 100
- ONE_WORKER_NUM = 10000
- LOOP_SLEEP = 0.5
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- ERROR_NUM = 0
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- def doWork(index):
- t = threading.currentThread()
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- try:
- html = urllib2.urlopen(PERF_TEST_URL).read()
- except urllib2.URLError, e:
- print "["+t.name+" "+str(index)+"] "
- print e
- global ERROR_NUM
- ERROR_NUM += 1
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- def working():
- t = threading.currentThread()
- print "["+t.name+"] Sub Thread Begin"
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- i = 0
- while i < ONE_WORKER_NUM:
- i += 1
- doWork(i)
- sleep(LOOP_SLEEP)
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- print "["+t.name+"] Sub Thread End"
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- def main():
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- t1 = time.time()
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- Threads = []
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- for i in range(THREAD_NUM):
- t = threading.Thread(target=working, name="T"+str(i))
- t.setDaemon(True)
- Threads.append(t)
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- for t in Threads:
- t.start()
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- for t in Threads:
- t.join()
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- print "main thread end"
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- t2 = time.time()
- print "========================================"
- print "URL:", PERF_TEST_URL
- print "任务数量:", THREAD_NUM, "*", ONE_WORKER_NUM, "=", THREAD_NUM*ONE_WORKER_NUM
- print "总耗时(秒):", t2-t1
- print "每次请求耗时(秒):", (t2-t1) / (THREAD_NUM*ONE_WORKER_NUM)
- print "每秒承载请求数:", 1 / ((t2-t1) / (THREAD_NUM*ONE_WORKER_NUM))
- print "错误数量:", ERROR_NUM
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- if __name__ == "__main__": main()
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