本文实例讲述了mysql实现批量检查表并进行repair与optimize的方法。分享给大家供大家参考,具体如下:
以下是shell的参考代码:
#!/bin/bash
host_name=192.168.0.123
user_name=xiaomo
user_pwd=my_pwd
database=my_db_name
need_optmize_table=true
tables=$(mysql -h$host_name -u$user_name -p$user_pwd $database -a -bse "show tables")
for table_name in $tables
do
check_result=$(mysql -h$host_name -u$user_name -p$user_pwd $database -a -bse "check table $table_name" | awk '{ print $4 }')
if [ "$check_result" = "ok" ]
then
echo "it's no need to repair table $table_name"
else
echo $(mysql -h$host_name -u$user_name -p$user_pwd $database -a -bse "repair table $table_name")
fi
# 优化表,可提高性能
if [ $need_optmize_table = true ]
then
echo $(mysql -h$host_name -u$user_name -p$user_pwd $database -a -bse "optimize table $table_name")
fi
done
也可以使用mysqlcheck命令,此方法可以在检查表并自动修复损坏的表,不过该过程比较耗时。
以上就是mysql实现批量检查表并进行repair与optimize的方法_mysql的内容。