MySQL基于索引的压力测试的实现

一、模拟数据库数据

1-1 创建数据库及表脚本 - vim slap.sh

#!/bin/bash  
hostname="localhost" 
port="3306" 
username="root" 
password="123" 
dbname="testdb" 
tablename="t1" 
#create database 
mysql -h ${hostname} -p${port} -u${username} -p${password} -e "drop database if exists ${dbname}" 
create_db_sql="create database if not exists ${dbname}" 
mysql -h ${hostname} -p${port} -u${username} -p${password} -e "${create_db_sql}" 
#create table 
create_table_sql="create table if not exists ${tablename}(stuid int not null primary key,stuname varchar(20) not null,stusex char(1)   
not null,cardid varchar(20) not null,birthday datetime,entertime datetime,address varchar(100)default null)" 
mysql -h ${hostname} -p${port} -u${username} -p${password} ${dbname} -e "${create_table_sql}" 
#insert data to table 
i="1" 
while [ $i -le 500000 ]  
do  
insert_sql="insert into ${tablename}  values($i,'alexsb_$i','1','110011198809163418','1990-05-16','2017-09-13','testdb')" 
mysql -h ${hostname} -p${port} -u${username} -p${password} ${dbname} -e "${insert_sql}" 
let i++  
done  
#select data  
select_sql="select count(*) from ${tablename}" 
mysql -h ${hostname} -p${port} -u${username} -p${password} ${dbname} -e "${select_sql}"

1-2 执行脚本 

sh slap.sh

1-3 检查数据的可用性

mysql -uroot -p123
select count(*) from testdb.t1;

1-4 在索引优化前后使用mysqlslap进行压力测试

mysqlslap --defaults-file=/etc/my.cnf \
 --concurrency=100 --iterations=1 --create-schema='testdb' \
--query="select * from testdb.t1 where stuname='test_100'" engine=innodb \
--number-of-queries=2000 -uroot -p123 -verbose

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