小于1G的数据库,用mysqldumpmysql
大于1G的数据库,用xtrabackupsql
备份策略数据库
###### mysql backup at 2019/01/09 by dba,天天凌晨2点备份一次 ######ide
0 2 * * * /bin/sh /data/scripts/mysql_backup.sh >/dev/nullspa
###### mysql backup at 2019/01/09 by dba,天天上午10点,晚上22点各备份一次 ######ip
0 10,22 * * * /bin/sh /data/scripts/mysql_backup.sh >/dev/nullit
###### mysql backup at 2019/01/09 by dba,每隔4小时备份一次 ######class
0 */4 * * * /bin/sh /data/scripts/mysql_backup.sh >/dev/null数据
###### mysql backup at 2019/01/09 by dba,每隔6小时备份一次 ######db
0 */6 * * * /bin/sh /data/scripts/mysql_backup.sh >/dev/null