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# 网关性能测试
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> 注意：记得关闭限流功能
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**测试环境**
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- 测试工具：[wrk](https://github.com/wg/wrk)，[安装教程](https://www.cnblogs.com/quanxiaoha/p/10661650.html)
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- 服务器：CentOS7（虚拟机，宿主机：macbookpro），内存：2G，CPU:1，核数：2核
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- 运行环境：Java8、Mysql-5.7、Nacos-1.1.3
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- 网关启动参数：
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```
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-verbose:gc -XX:+PrintGCDetails -XX:+PrintHeapAtGC -Xloggc:gc-zuul.log \
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-XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m -Xms1024m -Xmx1024m -Xmn512m -Xss256k -XX:SurvivorRatio=8 \
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-XX:+UseConcMarkSweepGC
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```
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- zuul配置（仅针对zuul，Spring Cloud Gateway没有做优化配置）：
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```properties
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# 不校验时间，这样一个链接可以一直进行测试
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sop.api-config.timeout-seconds=0
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sop.restful.enable=true
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logging.level.com.gitee=info
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# zuul调优
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zuul.host.max-per-route-connections=5000
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zuul.host.max-total-connections=5000
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zuul.semaphore.max-semaphores=5000
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ribbon.ReadTimeout=5000
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hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds=13000
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logging.file=sop-gateway.log
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```
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CentOS允许最大连接数
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```
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$ ulimit -n
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65535
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```
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## 调用开放接口
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- wrk命令：
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```
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wrk -t8 -c200 -d30s "http://10.1.31.227:8081/?charset=utf-8&biz_content=%7B%22name%22%3A%22%E8%91%AB%E8%8A%A6%E5%A8%83%22%2C%22id%22%3A%221%22%7D&method=alipay.story.get&format=json&sign=RjK%2FThnzAJQOw%2BfoVLS18PgWZAR%2B25SI2XdONFhS%2BmS8vsv2jNT3rygFoh%2ByX1AJbMgIEfcBzkQyqrs29jjd5dcwHVkcf7vxXshyfcEgl0fbMF6Ihycnz7rqSqkW3lzAWx4NuWUfkPnTX8Ffuf%2BhYRaI0NCpNv%2FV300HvsvmUjS6ZzS4YHaT1peSq0agfUhwRPd97aYMnUwRZDzxNfc5wuXA7OQ1o%2FPYIuIb%2FajVfwNP5ysitc%2FKtYEqt9rNAuzkcFmsw71d2RRnrPLsDN%2BuBXnIEh482f%2FbMj2Rj4%2FMq%2B0PEtlTRbg3rYnxyfowymfX%2BNmI4gNRUt70D4a%2FL3Qiug%3D%3D&app_id=2019032617262200001&sign_type=RSA2&version=1.0×tamp=2020-01-19+13%3A34%3A12"
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```
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- Spring Cloud Gateway测试结果
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```
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8 threads and 200 connections
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Thread Stats Avg Stdev Max +/- Stdev
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Latency 139.74ms 69.39ms 617.14ms 69.82%
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Req/Sec 182.12 55.74 343.00 66.24%
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43391 requests in 30.09s, 11.96MB read
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Requests/sec: 1441.96
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Transfer/sec: 406.96KB
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```
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结果说明，下同：
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```
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8 threads and 200 connections （共8个测试线程，200个连接）
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（平均值） （标准差） （最大值）（正负一个标准差所占比例）
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Thread Stats Avg Stdev Max +/- Stdev
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（延迟）
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Latency 139.74ms 69.39ms 617.14ms 69.82%
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(每秒请求数)
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Req/Sec 182.12 55.74 343.00 66.24%
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43391 requests in 30.09s, 11.96MB read (30.09秒内处理了43391个请求，耗费流量11.96MB)
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Requests/sec: 1441.96 (QPS 1441.96,即平均每秒处理请求数为1441.96)
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Transfer/sec: 406.96KB (平均每秒流量406.96KB)
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```
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- Spring Cloud Zuul测试结果
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```
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8 threads and 200 connections
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Thread Stats Avg Stdev Max +/- Stdev
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Latency 230.14ms 331.27ms 2.00s 86.98%
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Req/Sec 141.69 51.04 323.00 66.99%
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33945 requests in 30.09s, 9.88MB read
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Socket errors: connect 0, read 0, write 0, timeout 385
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Requests/sec: 1128.05
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Transfer/sec: 336.15KB
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```
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## 调用restful请求
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- wrk命令：
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```
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wrk -t8 -c200 -d30s "http://10.1.31.227:8081/rest/story-service/food/getFoodById?id=2"
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```
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线程数为 8，模拟 200 个并发请求，持续 30 秒
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- Spring Cloud Gateway测试结果
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```
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8 threads and 200 connections
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Thread Stats Avg Stdev Max +/- Stdev
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Latency 120.14ms 58.30ms 513.85ms 67.47%
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Req/Sec 210.47 54.26 770.00 69.37%
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50301 requests in 30.10s, 7.53MB read
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Requests/sec: 1670.97
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Transfer/sec: 256.21KB
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```
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- Spring Cloud Zuul测试结果
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```
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8 threads and 200 connections
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Thread Stats Avg Stdev Max +/- Stdev
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Latency 185.86ms 285.65ms 1.99s 88.55%
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Req/Sec 167.75 55.60 460.00 68.05%
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40070 requests in 30.09s, 6.65MB read
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Socket errors: connect 0, read 0, write 0, timeout 466
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Requests/sec: 1331.81
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Transfer/sec: 226.50KB
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```
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综上所述，Spring Cloud Gateway在没有优化的情况下，压测表现比zuul好，但zuul的数据表现也不差，但是出现超时现象，总的来说还是Spring Cloud Gateway具有优势。
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附启动脚本：
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`restart.sh`
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```bash
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echo "Stopping sop-gateway-1.0.0-SNAPSHOT.jar"
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pid=`ps -ef | grep sop-gateway-1.0.0-SNAPSHOT.jar | grep -v grep | awk '{print $2}'`
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if [ -n "$pid" ]
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then
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echo "kill -9 的id:" $pid
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kill -9 $pid
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fi
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nohup java -jar -verbose:gc -XX:+PrintGCDetails -XX:+PrintHeapAtGC -Xloggc:gc.log \
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-XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m -Xms1024m -Xmx1024m -Xmn256m -Xss256k -XX:SurvivorRatio=8\
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-XX:+UseConcMarkSweepGC sop-gateway-1.0.0-SNAPSHOT.jar\
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--spring.profiles.active=dev --server.port=8081 &
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tail -f nohup.out
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```
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