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学习笔记

  1. 基本实现了三种outboundHandler

    • httpclient4 : 这个主要是老师实现的，自己稍微做了一些无关紧要的改动
    • okHttp : 主要流程也是参考老师的代码实现的
    • nettyclient : 这个实现也是差不多的，但是在实现的时候遇到了一些坑，最后的sync加了之后会一直block，这个是因为自己对netty不理解导致的 目前这个client还是有问题，弄了好久没弄好，主要还是对netty不理解导致的，准备等这看老师的标准答案了，

  2. 实现了一个很简单的filter

    • 增加了一个header -> nio : hello filter

  3. 实现了随机的router

  4. 实现了两种后端服务endpoint提供者

    • default : 主要通过默认的配置来读取endpoint
    • etcd : 通过etcd来实时更新endpoint，简单实现了功能

  5. 一些多实现的可以通过配置来实现配置，示例：

    #filter=

#inbound
inbound.listen.port=8989
#outbound
outbound.type=nettyclient

##router random.etcd
#router.type=random
#router.endpoints.type=etcd
#router.endpoints.etcd.hosts=http://127.0.0.1:2379
#router.endpoints.etcd.configKey=test-endpoint

#router random.default
router.type=random
router.endpoints.type=default
router.endpoints.default.hosts=127.0.0.1:8088,localhost:8088

  6. client性能测试

    • httpclient

      Running 30s test @ http://127.0.0.1:8989/api/hello
  4 threads and 40 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    18.57ms   57.37ms 727.08ms   94.26%
    Req/Sec     2.21k   661.91     3.51k    69.56%
  Latency Distribution
     50%    4.22ms
     75%    8.18ms
     90%   43.67ms
     99%  305.20ms
  259215 requests in 30.06s, 12.36MB read
Requests/sec:   8622.32
Transfer/sec:    421.01KB

    • okhttp

      Running 30s test @ http://127.0.0.1:8989/api/hello
  4 threads and 40 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     5.05ms   10.20ms 199.78ms   97.92%
    Req/Sec     2.55k   464.28     3.40k    77.51%
  Latency Distribution
     50%    3.89ms
     75%    5.41ms
     90%    7.08ms
     99%   39.29ms
  303536 requests in 30.03s, 23.74MB read
Requests/sec:  10106.11
Transfer/sec:    809.28KB

    • nettyclient

      Running 30s test @ http://127.0.0.1:8989/api/hello
  4 threads and 40 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    25.32ms   18.80ms 181.88ms   85.76%
    Req/Sec   347.80    141.25   780.00     71.13%
  Latency Distribution
     50%   20.68ms
     75%   30.22ms
     90%   45.23ms
     99%  103.58ms
  8391 requests in 30.09s, 393.33KB read
  Socket errors: connect 0, read 8392, write 0, timeout 0
Requests/sec:    278.88
Transfer/sec:     13.07KB

    • 可以看出nettyclient的性能是有问题的，这个不知道问题是什么

    • 经过不懈的努力终于好像好一些了

      Running 30s test @ http://127.0.0.1:8989/api/hello
12 threads and 40 connections
Thread Stats   Avg      Stdev     Max   +/- Stdev
  Latency   710.87us    8.41ms 193.44ms   99.47%
  Req/Sec     5.76k     1.71k    6.88k    89.41%
Latency Distribution
   50%  146.00us
   75%  159.00us
   90%  194.00us
   99%  505.00us
184067 requests in 30.09s, 8.43MB read
Requests/sec:   6116.40
Transfer/sec:    286.71KB

  7. router做AOP不好切，是我功底太薄了