mysql、h2插入性能对比

同样是插入，差别咋就这大呢？

操作系统：wubi ubuntu 12.04 (precise) 32 位

内核： Linux 3.2.0-33-generic-pae

内存：4GB

cpu：Intel? Core?2 Duo CPU T6570 @ 2.10GHz × 2

mysql：版本5.5.28-0ubuntu0.12.04.2, innodb，本地服务

h2: 版本1.3.169, 嵌入式

插入数据：1656行，id自动增长

数据库	持久层	操作方式	耗时（ms）
mysql	hibernate	循环调用save插入	127910
mysql	hibernate	saveOrUpdateAll插入	4499
mysql	jdbcTemplate	循环调用update插入	3045
mysql	jdbcTemplate	调用update一次插入全部value	2295
h2	hibernate	循环调用save	3529
h2	hibernate	saveOrUpdateAll	2037
h2	jdbcTemplate	循环调用update插入	796
h2	jdbcTemplate	调用update一次插入全部value	610

mysql hibernate loop insert| data size:1656, time:127910 ms
mysql hibernate saveOrUpdateAll| data size:1656, time:4499 ms


mysql jdbcTemplate loop insert| data size:1656, time:3045 ms
mysql jdbcTemplate multi values| data size:1656, time:2295 ms


h2 hibenate loop insert| data size:1656, time:3529 ms
h2 hibernate saveOrUpdateAll| data size:1656, time:2037 ms


h2 jdbcTemplate loop insert| data size:1656, time:796 ms
h2 jdbcTemplate multi values| data size:1656, time:610 ms



配置：

#hibernate.connection.driver_class = com.mysql.jdbc.Driver
#hibernate.connection.url = jdbc:mysql://127.0.0.1:3306/emds?characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&autoReconnect=true
#hibernate.connection.username = mysql
#hibernate.connection.password = mysql
#hibernate.dialect = org.hibernate.dialect.MySQLDialect

hibernate.connection.driver_class = org.h2.Driver
hibernate.connection.url = jdbc:h2:db/emds_db
hibernate.connection.username = h2
hibernate.connection.password = h2
hibernate.dialect = org.hibernate.dialect.H2Dialect

hibernate.show_sql = true
hibernate.format_sql = false
hibernate.batch_size = 20
hibernate.hbm2ddl.auto = update
hibernate.cglib.use_reflection_optimizer = true
hibernate.cache.use_second_level_cache = false
hibernate.cache.use_query_cache = true
hibernate.cache.provider_class = org.hibernate.cache.EhCacheProvider

model

package com.emds.model;

import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

import com.emds.util.DateUtil;

@Entity
@Table(name="air_quality_data")
public class AirQualityData {
	
	public enum DataType{
		AllAirQuality((short)1);
		
		private short dataType;
		
		DataType(short dataType){
			this.dataType = dataType;
		}
		
		public short getDataType(){
			return dataType;
		}
	}

	@Id
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	private int id;
	
	@Column(name="area", length=20, nullable=false)
	private String area;
	
	@Column(name="type", nullable=false)
	private short type;
	
	@Column(name="time", columnDefinition="DATETIME")
	private Date time;
	
	@Column(name="index_name", length=20, nullable=false)
	private String indexName;
	
	@Column(name="index_value", length=20, nullable=false)
	private String indexValue;
	
	@Override
	public String toString(){
		return "{" + id + " " + area + "\t" + DateUtil.dateToStr_yyyy_MM_dd_HH_mm(time) + "\t" + indexName + "\t" + indexV