CPU: Intel Pentium4 2.66GHz
Memory: 1GB
Disk: 73GB/SCSI
OS: FreeBSD 4.11
PHP: PHP 5.2.1
MySQL: MySQL 4.1.23b
【 前期工作 】
[ my.cnf ]
max_heap_table_size = 128M
[ 建表 ]
use test;
--
-- Store engine heap
--
CREATE TABLE `tbl_heap` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(32) NOT NULL default '',
`email` varchar(32) NOT NULL default '',
`summary` varchar(255) default '',
KEY `id` (`id`)
) ENGINE=HEAP DEFAULT CHARSET=gbk;
--
-- Store engine myisam
--
CREATE TABLE `tbl_isam` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(32) NOT NULL default '',
`email` varchar(32) NOT NULL default '',
`summary` varchar(255) default '',
KEY `id` (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=gbk;
【插入数据】
说明:每次都是空表插入数据
[插入10000 Record]
Heap engine insert 10000 record used time: 3.5008587837219
MyISAM engine insert 10000 record used time: 4.5881390571594
[50000 Record]
Heap engine insert 50000 record used time: 19.895354986191
MyISAM engine insert 50000 record used time: 33.866044998169
[100000 Record]
Heap engine insert 100000 record used time: 36.200875997543
MyISAM engine insert 100000 record used time: 68.34194111824
[200000 Record]
Heap engine insert 200000 record used time: 68.00207901001
MyISAM engine insert 200000 record used time: 125.26263713837
【查询数据】
表里分表有:200000条记录,两个表数据一致
[直接select,10000次,每次取100条记录]
Heap engine select 10000 times, 100 record used time: 12.122506141663
MyISAM engine select 10000 times, 100 record used time: 19.512896060944
[直接select,1000次,每次取10000条记录]
Heap engine select 1000 times, 10000 record used time: 111.54126811028
MyISAM engine select 1000 record used time: 116.79438710213
[增加where条件,1000次,每次取10000条记录]
Heap engine select 1000 times, 10000 record used time: 111.52102303505
MyISAM engine select 1000 times, 10000 record used time: 117.68481087685
[where条件,10000次,每次从1000条起,取1000条记录]
Heap engine select 10000 times, 1000 record used time: 124.28988695145
MyISAM engine select 10000 times, 1000 record used time: 139.82107305527
[where条件增加like,10000次,每次从1000条起,取1000条记录]
Heap engine select 10000 times, 1000 record used time: 145.43780493736
MyISAM engine select 10000 times, 1000 record used time: 163.56296992302
[where条件增加索引,10000次,每次从1000条起,取1000条记录]