zabbix 清理旧数据
#!/bin/bash
User=user
Passwd=passwd
Date=`date -d $(date -d "-90 day" +%Y%m%d) +%s` #取90天之前的时间戳
$(which mysql) -u${User} -p${Passwd} -S /tmp/mysql.sock -e "
use zabbix;
DELETE FROM history WHERE ‘clock‘ < $Date;
optimize table history;
DELETE FROM history_str WHERE ‘clock‘ < $Date;
optimize table history_str;
DELETE FROM history_uint WHERE ‘clock‘ < $Date;
optimize table history_uint;
DELETE FROM history_text WHERE ‘clock‘ < $Date;
optimize table history_text;
DELETE FROM trends WHERE ‘clock‘ < $Date;
optimize table trends;
DELETE FROM trends_uint WHERE ‘clock‘ < $Date;
optimize table trends_uint;
DELETE FROM events WHERE ‘clock‘ < $Date;
optimize table events;
"mysql ibdata空间清理
mysqldump -u [username] -p[root_password] [database_name] > dumpfilename.sql DROP DATABASE database_name /etc/init.d/mysqld stop rm /var/lib/mysql/ibdata1 rm /var/lib/mysql/ib_logfile* /etc/init.d/mysqld start create database [database_name] mysql -u [username]-p[root_password] [database_name] < dumpfilename.sql
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原文：http://mstools.blog.51cto.com/1104047/1923644