如何加载测试服务器已发送事件? [英] How to load test Server Sent Events?

问题描述

我有一个小型应用程序，用于发送服务器已发送事件.我想对我的应用进行负载测试，以便可以对从推送消息到收到消息的时间进行基准测试，以便我知道性能何时/何地出现故障.有哪些工具可以做到这一点?

I have a small app that sends Server Sent Events. I would like to load test my app so I can benchmark the latency from the time a message is pushed to the time the message is received so I can know when/where the performance breaks down. What tools are available to be able to do this?

推荐答案

由于Server-Sent Events只是HTTP，因此可以使用siege实用程序.这是示例:

Since Server-Sent Events it is just HTTP you can use siege utility. Here is the example:

siege -b -t 1m -c45 http://127.0.0.1:9292/streaming

位置:

• -b 基准测试模式，即不要在连接之间等待
• -t 1m 基准测试1分钟
• -c45 并发连接数
• http://127.0.0.1:9292 我的开发服务器主机和自定义端口
• /streaming 使用Content-Type: text/event-stream
响应的HTTP端点

• -b benchmark mode i.e. don't wait between connections
• -t 1m benchmark for 1 minute
• -c45 number of concurrent connections
• http://127.0.0.1:9292 my dev server host and custom port
• /streaming HTTP-endpoint which respond with Content-Type: text/event-stream

输出:

Lifting the server siege...      done.

Transactions:                 79 hits
Availability:             100.00 %
Elapsed time:              59.87 secs
Data transferred:           0.01 MB
Response time:             23.43 secs
Transaction rate:           1.32 trans/sec
Throughput:             0.00 MB/sec
Concurrency:               30.91
Successful transactions:          79
Failed transactions:               0
Longest transaction:           30.12
Shortest transaction:          10.04

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