深入分析mysql为什么不推荐使用uuid或者雪花id作为主键

package com.wyq.mysqldemo;
import cn.hutool.core.collection.CollectionUtil;
import com.wyq.mysqldemo.databaseobject.UserKeyAuto;
import com.wyq.mysqldemo.databaseobject.UserKeyRandom;
import com.wyq.mysqldemo.databaseobject.UserKeyUUID;
import com.wyq.mysqldemo.diffkeytest.AutoKeyTableService;
import com.wyq.mysqldemo.diffkeytest.RandomKeyTableService;
import com.wyq.mysqldemo.diffkeytest.UUIDKeyTableService;
import com.wyq.mysqldemo.util.JdbcTemplateService;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.util.StopWatch;
import java.util.List;
@SpringBootTest
class MysqlDemoApplicationTests {

  @Autowired
  private JdbcTemplateService jdbcTemplateService;

  @Autowired
  private AutoKeyTableService autoKeyTableService;

  @Autowired
  private UUIDKeyTableService uuidKeyTableService;

  @Autowired
  private RandomKeyTableService randomKeyTableService;


  @Test
  void testDBTime() {

    StopWatch stopwatch = new StopWatch("执行sql时间消耗");


    /**
     * auto_increment key任务
     */
    final String insertSql = "INSERT INTO user_key_auto(user_id,user_name,sex,address,city,email,state) VALUES(?,?,?,?,?,?,?)";

    List<UserKeyAuto> insertData = autoKeyTableService.getInsertData();
    stopwatch.start("自动生成key表任务开始");
    long start1 = System.currentTimeMillis();
    if (CollectionUtil.isNotEmpty(insertData)) {
      boolean insertResult = jdbcTemplateService.insert(insertSql, insertData, false);
      System.out.println(insertResult);
    }
    long end1 = System.currentTimeMillis();
    System.out.println("auto key消耗的时间:" + (end1 - start1));

    stopwatch.stop();


    /**
     * uudID的key
     */
    final String insertSql2 = "INSERT INTO user_uuid(id,user_id,user_name,sex,address,city,email,state) VALUES(?,?,?,?,?,?,?,?)";

    List<UserKeyUUID> insertData2 = uuidKeyTableService.getInsertData();
    stopwatch.start("UUID的key表任务开始");
    long begin = System.currentTimeMillis();
    if (CollectionUtil.isNotEmpty(insertData)) {
      boolean insertResult = jdbcTemplateService.insert(insertSql2, insertData2, true);
      System.out.println(insertResult);
    }
    long over = System.currentTimeMillis();
    System.out.println("UUID key消耗的时间:" + (over - begin));

    stopwatch.stop();


    /**
     * 随机的long值key
     */
    final String insertSql3 = "INSERT INTO user_random_key(id,user_id,user_name,sex,address,city,email,state) VALUES(?,?,?,?,?,?,?,?)";
    List<UserKeyRandom> insertData3 = randomKeyTableService.getInsertData();
    stopwatch.start("随机的long值key表任务开始");
    Long start = System.currentTimeMillis();
    if (CollectionUtil.isNotEmpty(insertData)) {
      boolean insertResult = jdbcTemplateService.insert(insertSql3, insertData3, true);
      System.out.println(insertResult);
    }
    Long end = System.currentTimeMillis();
    System.out.println("随机key任务消耗时间:" + (end - start));
    stopwatch.stop();


    String result = stopwatch.prettyPrint();
    System.out.println(result);
  }