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  • wsl下的ab测试存在严重问题

    1. 简单的 golang http 服务器

    package main
    
    import "C"
    import (
        "log"
        "net/http"
        "time"
    )
    
    
    func init() {
        log.SetFlags(log.Lshortfile | log.LstdFlags)
    
        log.Println("init done ", time.Now())
    }
    
    func main() {
    
        http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
            w.Write([]byte("Hello"))
        })
    
        http.ListenAndServe(":8001", nil)
    }
    
    

    wsl 下 ab 压测

    ab -c 100 -n 10000 http://localhost:8001/
    This is ApacheBench, Version 2.3 <$Revision: 1807734 $>
    Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
    Licensed to The Apache Software Foundation, http://www.apache.org/
    
    Benchmarking localhost (be patient)
    Completed 1000 requests
    Completed 2000 requests
    Completed 3000 requests
    Completed 4000 requests
    Completed 5000 requests
    Completed 6000 requests
    Completed 7000 requests
    Completed 8000 requests
    Completed 9000 requests
    Completed 10000 requests
    Finished 10000 requests
    
    
    Server Software:
    Server Hostname:        localhost
    Server Port:            8001
    
    Document Path:          /
    Document Length:        5 bytes
    
    Concurrency Level:      100
    Time taken for tests:   4.292 seconds
    Complete requests:      10000
    Failed requests:        0
    Total transferred:      1210000 bytes
    HTML transferred:       50000 bytes
    Requests per second:    2329.67 [#/sec] (mean)
    Time per request:       42.925 [ms] (mean)
    Time per request:       0.429 [ms] (mean, across all concurrent requests)
    Transfer rate:          275.28 [Kbytes/sec] received
    
    Connection Times (ms)
                  min  mean[+/-sd] median   max
    Connect:        9   21   4.2     21      31
    Processing:     2   22   4.9     22      43
    Waiting:        0   15   5.7     14      31
    Total:         26   43   6.1     42      66
    
    Percentage of the requests served within a certain time (ms)
      50%     42
      66%     45
      75%     47
      80%     48
      90%     51
      95%     54
      98%     55
      99%     55
     100%     66 (longest request)
    

    ubuntu 2004 虚拟机内测试

    ab -c 100 -n 100000 http://localhost:8001/
    This is ApacheBench, Version 2.3 <$Revision: 1843412 $>
    Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
    Licensed to The Apache Software Foundation, http://www.apache.org/
    
    Benchmarking localhost (be patient)
    Completed 10000 requests
    Completed 20000 requests
    Completed 30000 requests
    Completed 40000 requests
    Completed 50000 requests
    Completed 60000 requests
    Completed 70000 requests
    Completed 80000 requests
    Completed 90000 requests
    Completed 100000 requests
    Finished 100000 requests
    
    
    Server Software:        
    Server Hostname:        localhost
    Server Port:            8001
    
    Document Path:          /
    Document Length:        5 bytes
    
    Concurrency Level:      100
    Time taken for tests:   3.902 seconds
    Complete requests:      100000
    Failed requests:        0
    Total transferred:      12100000 bytes
    HTML transferred:       500000 bytes
    Requests per second:    25627.61 [#/sec] (mean)
    Time per request:       3.902 [ms] (mean)
    Time per request:       0.039 [ms] (mean, across all concurrent requests)
    Transfer rate:          3028.26 [Kbytes/sec] received
    
    Connection Times (ms)
                  min  mean[+/-sd] median   max
    Connect:        0    1   0.4      1       7
    Processing:     0    3  20.7      2     502
    Waiting:        0    2  20.6      1     502
    Total:          0    4  20.6      3     503
    
    Percentage of the requests served within a certain time (ms)
      50%      3
      66%      3
      75%      3
      80%      3
      90%      3
      95%      3
      98%      4
      99%      6
     100%    503 (longest request)
    
    

    经过多次测试,wsl 根本无法测试展示正常的 http 性能。

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  • 原文地址:https://www.cnblogs.com/svji/p/13196099.html
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