WebPressure

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Web接口压力测试Python项目

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# WebPressure
Web接口压力测试python项目，通过项目学习Python

### 2021-01-29
项目还在完善当中

![image](https://github.com/junpengdong/WebPressure/blob/master/pic/myplot.png)

### Python压测脚本性能数据绘图库
* pip install matplotlib

### request_data.json配置说明
```
{
    "es_library": {
        "url": "http://172.17.21.21:8777/api/v1/find/data",
        "c_params_method": "random_append_word",
        "params": "",
        "headers": "",
        "warm_up": 100,
        "req_number": 100,
        "req_type": "get",
        "req_time": 0,
        "resp_data_handle": "medium",
        "resp_show": "line"
    }
}
```
处理json类: RequestData.py
* es_library: 测试方法描述，例子中是对es的词库压测，会根据这个key获取对应api的参数
* url: api地址
* c_params_method: 自定义生成body参数方法（可以看源码怎么使用）
* params: 如果不需要自定义生成body参数，则可以使用固定参数，{"key": "value"}
* headers: 请求头部参数，暂时没添加自定义头部参数，如需要可自行添加对应逻辑
* warm_up: 预热请求数量，执行压测前可以先进行预热请求
* req_number: 请求次数
* req_type: 请求类型（目前只支持get跟post）
* req_time: 指定多少秒内完成req_number请求，例如req_number: 100, req_time 10，则是10秒内完成100次请求，即每秒并发10个，不过也需要看压测机器的性能，比如req_number: 1000，req_time: 1则不一定能够在1秒内完成1000次请求
* resp_data_handle: 响应数据处理类型（low: 只展示最小，平均，最大响应时间、medium: 数据长度小于50则跟high相同，否则按数据长度的百分之10展示、high: 不处理，全部展示）
resp_show: 响应数据绘图类型（目前只支持bar跟line）

### 2021-02-04
新增功能:
* 增加压测数据结果保存
* 增加压测数据结果分析打印

压测数据结果json数据保存如下:
```
{
    "es_library": [
        {
            "max_resp_time": "991.408",  // 最大响应时间 
            "min_resp_time": "0.397",    // 最小响应时间
            "avg_resp_time": "694.399",  // 平均响应时间
            "max_tps": "225334.407",     // 最大TPS
            "min_tps": "90.233",         // 最小TPS
            "avg_tps": "128.828",        // 平均TPS
            "slow_query": 96,            // 慢查询次数
            "error_query": 0             // 错误次数
        },
        {
            "max_resp_time": "998.033",
            "min_resp_time": "15.757",
            "avg_resp_time": "520.012",
            "max_tps": "1481.126",
            "min_tps": "23.384",
            "avg_tps": "44.880",
            "slow_query": 61,
            "error_query": 0
        },
        {
            "max_resp_time": "788.995",
            "min_resp_time": "141.997",
            "avg_resp_time": "502.880",
            "max_tps": "181.614",
            "min_tps": "32.685",
            "avg_tps": "51.282",
            "slow_query": 98,
            "error_query": 0
        },
        {
            "max_resp_time": "997.211",
            "min_resp_time": "4.705",
            "avg_resp_time": "446.570",
            "max_tps": "3206.471",
            "min_tps": "15.129",
            "avg_tps": "33.783",
            "slow_query": 73,
            "error_query": 0
        },
        {
            "max_resp_time": "998.722",
            "min_resp_time": "4.284",
            "avg_resp_time": "412.863",
            "max_tps": "10263.045",
            "min_tps": "44.023",
            "avg_tps": "106.493",
            "slow_query": 52,
            "error_query": 0
        }
    ]
}
```
压测结果数据目前只保持最新5次，如果有需要更多的可以修改源码

```
+---------------+-------------------------+---------------------+---------------------+---------------------+-----------+
|    key_type   |         index[4]        |       index[3]      |       index[2]      |       index[1]      |  index[0] | // json数组下标对应性能数据
+---------------+-------------------------+---------------------+---------------------+---------------------+-----------+
| max_resp_time |     991.408(+7.314)     |   998.033(+0.689)   |  788.995(+209.727)  |   997.211(+1.511)   |  998.722  | // 括号中是index[0]压测数据对比前几次的结果
| min_resp_time |      0.397(+3.887)      |   15.757(-11.473)   |  141.997(-137.713)  |    4.705(-0.421)    |   4.284   |
| avg_resp_time |    694.399(-281.536)    |  520.012(-107.149)  |   502.880(-90.017)  |   446.570(-33.707)  |  412.863  |
|    max_tps    | 225334.407(-215071.362) | 1481.126(+8781.919) | 181.614(+10081.431) | 3206.471(+7056.574) | 10263.045 |
|    min_tps    |     90.233(-46.210)     |   23.384(+20.639)   |   32.685(+11.338)   |   15.129(+28.894)   |   44.023  |
|    avg_tps    |     128.828(-22.335)    |   44.880(+61.613)   |   51.282(+55.211)   |   33.783(+72.710)   |  106.493  |
|   slow_query  |         96(-44)         |        61(-9)       |       98(-46)       |       73(-21)       |     52    |
|  error_query  |           0(0)          |         0(0)        |         0(0)        |         0(0)        |     0     |
+---------------+-------------------------+---------------------+---------------------+---------------------+-----------+
```

WebPressure

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