Comments (13)
pengjianzhang
commented on June 8, 2024
http 21K是什么
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happybigeyes
commented on June 8, 2024
1. 应用层吞吐量
测试方法：在开启应用识别引擎的前提下，通过发送平均21K大小HTTP页面来测试设备应用层最大吞吐量，且只能计算成功获得HTTP响应的连接。
（说明：选取大小为21K的页面，是基于该厂商对多家高校、运营商等典型网络环境的长期流量统计，总结得出对于每Gbps的流量，包速率采用185Kpps、平均包长670字节、新建连接速率5000个/秒，能够比较准确地描述实际流量，可以作为实际性能测试的流量模型。将流量换算为HTTP页面，恰好为21K。）
说简单一点就是client http 每个连接能请求到21K字节的固定或随机内容 能反映设备在真实环境的表现（高并发的吞吐值 ）
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发送时间: 2023年9月18日(星期一) 上午9:24
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主题: Re: [baidu/dperf] 希望加入HTTP 21K 的功能测试 (Issue #372)
http 21K是什么
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pengjianzhang
commented on June 8, 2024
如果是测吞吐的话，服务器用nginx就可以了；client 用ab, wrk, hey, dperf都可以
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happybigeyes
commented on June 8, 2024
nginx 性能达不到 是测试防火墙
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pengjianzhang
commented on June 8, 2024
试试fstack nginx, t-trx
或者 jumbo frame，9K大包
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pengjianzhang
commented on June 8, 2024
正在考虑在下个版本支持，请帮忙测试
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hgkiller
commented on June 8, 2024
好建议
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pengjianzhang
commented on June 8, 2024
请测试这个分支：
https://github.com/pengjianzhang/dperf
配置：
mode server
protocol http
调整payload大小
payload_size 21k
调整发送速度 2-16
send_window 6
dperf服务器端终于支持发送较大的payload了。这个特性构想了1年多，迟迟没有动手，因为dperf的tcp协议栈设计成请求、响应只能在一个MTU内，如果payload超过一个MTU，增加TCP协议栈的复杂度，容易降低系统的稳定性。
设计软件的难点就在于把复杂的功能用简洁的方案实现，不能增加系统的复杂度，不能降低性能。 dperf YES!
2023.10.4
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happybigeyes
commented on June 8, 2024
发现一个BUG ，在使用HTTP 21K测试时候，超过十几分钟，就不回包了
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发送时间: 2023年10月4日(星期三) 晚上9:52
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主题: Re: [baidu/dperf] 希望加入HTTP 21K 的功能测试 (Issue #372)
请测试这个分支：
https://github.com/pengjianzhang/dperf
配置：
mode server
protocol http
payload_size 21k
send_window 6
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pengjianzhang
commented on June 8, 2024
拉最新代码
测试情况如何？
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pengjianzhang
commented on June 8, 2024
please refer
https://dperf.org/doc/html/dperf-http-server
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happybigeyes
commented on June 8, 2024
How to determine send_window 's value? How to adjust this parameter
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发送时间: 2023年10月10日(星期二) 中午11:42
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主题: Re: [baidu/dperf] Can dperf return large responses? (Issue #372)
please refer
https://dperf.org/doc/html/dperf-http-server
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pengjianzhang
commented on June 8, 2024
Use the default value (4), increase it if you want it to be faster, decrease it if you find an error
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