内容简介:对一个 Django 站点做 ab 压力测试
今天想起来测测一个小 Django 站点的性能和压力,寻找一下看有没有内存泄漏,先介绍下服务器的信息,站点部署在 Google Cloud Platform,实例尺寸是微型(1 共享 vcpu, 0.6GB 内存),价格大致是($4.28/月 估算值),地区是 asia-east1-c,速度还是挺快,由于之前送的 300 刀还没用完,所以不用担心钱钱问题。
部署方式主要参照的这篇文章 《How To Set Up Django with Postgres, Nginx, and Gunicorn on CentOS 7》 ,大致内容如下:
- CentOS 7
- Python 3.6.1
- Nginx 1.10.2
- Gunicorn 19.7.1
- Virtualenv 15.1.0
- Django 1.11.1
测试命令:
ab -c 5 -n 1000 http://www.cocoaz.com/
结果:
This is ApacheBench, Version 2.3 <$Revision: 1757674 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking www.cocoaz.com (be patient) Completed 100 requests Completed 200 requests Completed 300 requests Completed 400 requests Completed 500 requests Completed 600 requests Completed 700 requests Completed 800 requests Completed 900 requests Completed 1000 requests Finished 1000 requests Server Software: nginx/1.10.2 Server Hostname: www.cocoaz.com Server Port: 80 Document Path: / Document Length: 15823 bytes Concurrency Level: 5 Time taken for tests: 277.324 seconds Complete requests: 1000 Failed requests: 0 Total transferred: 16049000 bytes HTML transferred: 15823000 bytes Requests per second: 3.61 [#/sec] (mean) Time per request: 1386.619 [ms] (mean) Time per request: 277.324 [ms] (mean, across all concurrent requests) Transfer rate: 56.51 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 21 208 425.4 24 3162 Processing: 100 1170 1442.9 801 20850 Waiting: 76 702 661.3 488 4786 Total: 124 1378 1561.5 1034 20883 Percentage of the requests served within a certain time (ms) 50% 1034 66% 1501 75% 1807 80% 2000 90% 3014 95% 3816 98% 5270 99% 6200 100% 20883 (longest request)
StackDriver 监控状态:
通过监控能看到 CPU 使用率最高飙到了 90%,内存一直稳定在 50% 左右倒是没怎么变化,所有请求都成功返回。
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