express 压缩接口响应的数据量 - V2EX
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6EyesFlyFish

express 压缩接口响应的数据量

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  •   6EyesFlyFish 2021 年 3 月 4 日 2311 次点击
    这是一个创建于 1878 天前的主题，其中的信息可能已经有所发展或是发生改变。
    express 接口假如响应的数据量达到 7Kb 的时候，在高并发压测的情况下，异常率很高，有没有什么办法压缩数据量？
    响应数据如下：

    {
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    "all_time": 22.95,
    "content": "ok",
    "item": [{
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    "all_time": 107.22,
    "nick": "糖衣炮弹 54720",
    "rank": "1",
    "score": "180",
    "wrongcount": "0"
    }, {
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    "nick": "糖衣炮弹 54717",
    "rank": "2",
    "score": "100",
    "wrongcount": "0"
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    "rank": "6",
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    "wrongcount": "0"
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    "wrongcount": "0"
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    "rank": "12",
    "score": "60",
    "wrongcount": "0"
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    "nick": "54727",
    "rank": "13",
    "score": "50",
    "wrongcount": "0"
    }, {
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    "all_time": 22.95,
    "nick": "54715",
    "rank": "14",
    "score": "50",
    "wrongcount": "0"
    }, {
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    "nick": "糖衣炮弹 oaAq05gIwIhVcT4ydGkqfqaodfdo11",
    "rank": "15",
    "score": "60",
    "wrongcount": "0"
    }, {
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    "rank": "21",
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    }
  • headimgurl
  • wrongcount
  • all_time
  • Nick
    11 条回复    2021-03-06 14:24:29 +08:00
    libook
        1
    libook  
       2021 年 3 月 4 日
    异常的具体信息发一下，可能跟数据量大小没关系。
    6EyesFlyFish
        2
    6EyesFlyFish  
    OP
       2021 年 3 月 4 日
    异常信息是连接重置
    Response code:Non HTTP response code: java.net.SocketException
    Response message:Non HTTP response message: Connection reset

    我把数据量减少，再压测就没有异常了
    6EyesFlyFish
        3
    6EyesFlyFish  
    OP
       2021 年 3 月 4 日
    @libook
    libook
        4
    libook  
       2021 年 3 月 4 日
    Node 上、服务器系统级别、反向代理服务器等等，是否异常日志呢？
    以及服务器资源情况，负载、网络连接数、磁盘 IO 、内存使用量等等。
    killergun
        5
    killergun  
       2021 年 3 月 4 日
    我感觉这个是不是设置下服务 response 可响应大小就行了
    killergun
        6
    killergun  
       2021 年 3 月 4 日
    @killergun 还有就是设置响应超时时间
    6EyesFlyFish
        7
    6EyesFlyFish  
    OP
       2021 年 3 月 4 日
    @libook 腾讯云服务器 8 核 16G，0 负载，8%内存使用，ulimit 设置了 100W，没有反向代理，异常日志没有，部分连接直接被重置了
    6EyesFlyFish
        8
    6EyesFlyFish  
    OP
       2021 年 3 月 4 日
    @killergun express 可响应大小？在哪设置？我看了官网，似乎没有这方面的介绍
    wakzz
        9
    wakzz  
       2021 年 3 月 5 日
    建议楼主抓个包，把异常 TCP 抓到后贴出来，单单通过楼主目前提供的数据推测原因有点困难
    6EyesFlyFish
        10
    6EyesFlyFish  
    OP
       2021 年 3 月 5 日
    @wakzz 搞定了，网络带宽问题，数据量太大了
    wakzz
        11
    wakzz  
       2021 年 3 月 6 日
    @6EyesFlyFish 这让我想起一次跟第三方联调时压测的网络错误问题，抓包后发现压测到某个阈值就有大量的网络超时，最后查明是对方公司的宽带不够，吐血
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