Nginx核心要领五：worker_processes、worker_connections设置
https://blog.csdn.net/zhuyu19911016520/article/details/90714429

如何解决“504 Gateway Time-out”错误
https://jingyan.baidu.com/article/6fb756ecbf4774241858fb9a.html

PHP教程:PHP NOTICE级错误提示对程序性能影响的研究
https://blog.csdn.net/lankecms/article/details/27971017

完美解決Nginx 504 Gateway time-out问题
https://www.jb51.net/article/57709.htm

Nginx报504 gateway timeout错误的解决方法
https://www.cnblogs.com/Mr-Rocker/p/8855924.html

nginx单机1w并发优化
https://www.cnblogs.com/lisqiong/p/11403928.html

在linux系统下安装两个nginx的简单方法
https://www.jb51.net/article/99087.htm

http://hapi.ctlife.tv:8000/cms/v1/getBrandWxUrl?hotel_contract=

REST 请求处理
https://www.jianshu.com/p/e250fdb794f4

使用javax.validation.constraints包的注解实现校验
https://blog.csdn.net/lovequanquqn/article/details/82725258

Springboot自定义Json注解过滤属性
https://www.jianshu.com/p/a7ec42b84277

利用Jackson的JsonFilter来实现动态过滤数据列（数据列权限控制）
https://www.cnblogs.com/tomcatandjerry/p/9139976.html

Spring Boot 2.x 编写 RESTful API (二) 校验
https://www.cnblogs.com/victorbu/p/10654727.html

Json 提取器
https://www.cnblogs.com/tudou-22/p/12579575.html
https://www.cnblogs.com/51benpao/p/13043706.html
https://www.cnblogs.com/a00ium/p/10388389.html
使用变量
https://www.cnblogs.com/fy--/p/13265765.html

JMeter5.0 边界提取器使用
https://www.cnblogs.com/wx170119/p/10008805.html

Jmeter用于接口测试中，关联如何实现
https://www.cnblogs.com/jessieliang/p/8586552.html

nginx keepalive 502 问题
https://www.v2ex.com/amp/t/498536

Nginx" upstream prematurely closed connection while reading response header from upstream"问题排查
https://www.cnblogs.com/coder-yoyo/p/9157148.html

happy刘艺
性能测试入门（四）JMeter之Ramp-up Period（in seconds）说明
https://www.cnblogs.com/happyliuyi/p/10621986.html

Jmeter设计压力测试场景
https://www.cnblogs.com/ella-li/p/12110052.html

你不一定懂的cpu显示信息
https://www.cnblogs.com/yjf512/p/3383915.html

并发量计算公式
https://blog.csdn.net/weixin_30767921/article/details/102260664?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduend~default-3-102260664.nonecase&utm_term=%E5%B9%B6%E5%8F%91%E9%87%8F%E8%AE%A1%E7%AE%97

nginx keepalive_timeout 设置策略
https://www.cnblogs.com/DxinSir/p/7399254.html

MYSQL慢查询配置
https://www.cnblogs.com/leeego-123/p/11864249.html

jmeter：Beanshell PreProcessor（BeanShell 预处理程序）的简单使用方法
https://blog.csdn.net/weixin_44750991/article/details/103012001

function _get($str){
$val = isset($_GET[$str]) ? $_GET[$str] : null;
return $val;
}

[mysqld]
log-slow-queries=/var/log/mysq-show.log
long_query_time=1

add by lhj

log_slow_queries =

slow_query_log = ON

slow_launch_time = 20

slow_query_log_file = /var/log/mysql-slow.log
long_query_time = 2

MySQL开启慢查询
https://www.cnblogs.com/leeego-123/p/11864249.html

add by lhj

log_slow_queries =

slow_query_log = ON

slow_launch_time = 20

slow_query_log_file = /var/log/mysql-slow.log
long_query_time = 2