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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