MyISAM引擎和Heap引擎执行速度的性能测试
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MyISAM引擎和Heap引擎执行速度的性能测试:
测试环境:
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
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