MySql教程

高并发 高性能 高可用 MySQL 实战网盘下载

本文主要是介绍高并发 高性能 高可用 MySQL 实战网盘下载，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

download：高并发 高性能 高可用 MySQL 实战

 

从数据库原理到高性能实战，一次性掌握
本课程从单点到集群，由浅入深，带大家深入理解MySQL原理，并学会多种不同的MySQL性能优化技巧，最终学会搭建高并发、高性能、高可用MySQL集群，从容应对实际工作中各种复杂的数据库问题。


适合人群
所有日常工作中需要用到MySQL的开发者 
自己有能力写出SQL，却不知道怎么写效率更高 
建表时总是考虑不周全，遇到问题不知道怎么办 
对数据库只停留在会用的层次，想要了解底层原理
技术储备要求
有任意后端语言的CRUD经验
能比较熟练地写出SQL语句
技术参数
CentOS7
MySQL5.7/8.0   import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import java.util.HashMap; import java.util.Map;   import net.sf.json.JSONObject;   /** *星座运势调用示例代码 － 聚合数据 *在线接口文档：http://www.juhe.cn/docs/58 **/   public class JuheDemo {     public static final String DEF_CHATSET = "UTF-8";     public static final int DEF_CONN_TIMEOUT = 30000;     public static final int DEF_READ_TIMEOUT = 30000;     public static String userAgent =  "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36";       //配置您申请的KEY     public static final String APPKEY ="*************************";       //1.运势查询     public static void getRequest1(){         String result =null;         String url ="http://web.juhe.cn:8080/constellation/getAll";//请求接口地址         Map params = new HashMap();//请求参数             params.put("key",APPKEY);//应用APPKEY(应用详细页查询)             params.put("consName","");//星座名称，如:白羊座             params.put("type","");//运势类型：today,tomorrow,week,nextweek,month,year           try {             result =net(url, params, "GET");             JSONObject object = JSONObject.fromObject(result);             if(object.getInt("error_code")==0){                 System.out.println(object.get("result"));             }else{                 System.out.println(object.get("error_code")+":"+object.get("reason"));             }         } catch (Exception e) {             e.printStackTrace();         }     }       public static void main(String[] args) {       }       /**      *      * @param strUrl 请求地址      * @param params 请求参数      * @param method 请求方法      * @return  网络请求字符串      * @throws Exception      */     public static String net(String strUrl, Map params,String method) throws Exception {         HttpURLConnection conn = null;         BufferedReader reader = null;         String rs = null;         try {             StringBuffer sb = new StringBuffer();             if(method==null || method.equals("GET")){                 strUrl = strUrl+"?"+urlencode(params);             }             URL url = new URL(strUrl);             conn = (HttpURLConnection) url.openConnection();             if(method==null || method.equals("GET")){                 conn.setRequestMethod("GET");             }else{                 conn.setRequestMethod("POST");                 conn.setDoOutput(true);             }             conn.setRequestProperty("User-agent", userAgent);             conn.setUseCaches(false);             conn.setConnectTimeout(DEF_CONN_TIMEOUT);             conn.setReadTimeout(DEF_READ_TIMEOUT);             conn.setInstanceFollowRedirects(false);             conn.connect();             if (params!= null && method.equals("POST")) {                 try {                     DataOutputStream out = new DataOutputStream(conn.getOutputStream());                         out.writeBytes(urlencode(params));                 } catch (Exception e) {                     // TODO: handle exception                 }             }             InputStream is = conn.getInputStream();             reader = new BufferedReader(new InputStreamReader(is, DEF_CHATSET));             String strRead = null;             while ((strRead = reader.readLine()) != null) {                 sb.append(strRead);             }             rs = sb.toString();         } catch (IOException e) {             e.printStackTrace();         } finally {             if (reader != null) {                 reader.close();             }             if (conn != null) {                 conn.disconnect();             }         }         return rs;     }       //将map型转为请求参数型     public static String urlencode(Map<String,Object>data) {         StringBuilder sb = new StringBuilder();         for (Map.Entry i : data.entrySet()) {             try {                 sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");             } catch (UnsupportedEncodingException e) {                 e.printStackTrace();             }         }         return sb.toString();     } }
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