JMeter API 并发性能测试计划JMX文件解析

我们有一个JMX文件，它定义了一个JMeter测试计划。

1. 测试计划名称：

API 并发性能测试 https://zhengkai.blog.csdn.net/

2. 注释：

模拟N个API的1分钟并发测试

3. 用户定义的变量：

base_url = https://your-api-domain.com（但后面被覆盖为http://localhost:1234/generator/）

线程组配置：

- 线程组名称：API 并发线程组

- 线程数（用户数）：20

- 启动时间（Ramp-up period）：10秒

- 持续时间：30秒

- 循环次数：1（因为设置了持续时间，所以会忽略循环次数，一直运行直到30秒结束）

- 遇到错误后的操作：继续

测试结构：

1. 随机控制器（Random Controller）：

包含两个HTTP请求，会随机执行其中一个。

1.1 第一个HTTP请求：template/all

- 方法：POST

- 路径：/generator/template/all

- 请求体：{"id":1234}

- 请求头：Content-Type: application/json

1.2 第二个HTTP请求：code/generate

- 方法：POST

- 路径：/generator/code/generate

- 请求体：一个复杂的JSON对象，包含表SQL和生成代码的选项

2. 监听器（结果收集器）：

- 聚合报告（StatVisualizer）

- 汇总图（StatGraphVisualizer）

- 响应时间图（RespTimeGraphVisualizer）

- 查看结果树（ViewResultsFullVisualizer）-> 结果输出到D:\Workspace\result.csv

- 用表格查看结果（TableVisualizer）

注意：在测试计划最后，用户定义的变量被重新定义为：base_url = http://localhost:1234/generator/（覆盖了前面的定义）

如何运行：

1. 确保JMeter已安装（建议5.6.3或更高版本）

2. 打开这个JMX文件

3. 检查线程组设置（线程数、持续时间等）是否符合预期

4. 检查HTTP请求中的目标地址和端口（目前是localhost:1234）是否指向正确的测试环境

5. 如果需要修改请求参数，可以编辑对应的HTTP请求

6. 点击运行按钮（绿色三角形）开始测试

查看结果：

1. 聚合报告：提供每个请求的统计信息（平均响应时间、中位数、90%百分位、最小/最大响应时间、错误率、吞吐量等）

2. 汇总图：显示测试过程中每秒事务数（TPS）的变化

3. 响应时间图：显示每个请求的响应时间随时间的变化

4. 查看结果树：可以查看每个请求的详细请求和响应信息（注意：这个监听器会消耗大量内存，不建议在长时间高并发测试中使用，但这里配置了输出到CSV文件，可以离线查看）

5. 表格结果：以表格形式展示每个样本的结果

技术分析：

1. 测试目标：评估两个API接口在20个并发用户持续30秒的压力下的性能表现。

2. 测试设计：

- 使用随机控制器模拟用户随机调用两个API的情况。

- 每个HTTP请求都使用POST方法发送JSON数据。

- 每个请求都设置了正确的Content-Type头。

JMX查看

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</jmeterTestPlan>