MySQL 找出体积最大的10个表

source /etc/profile
USER='root'
PASSWD='123456'
SOCKET='/tmp/mysql.sock'
HOST='localhost'
datadir=$(/usr/local/mysql/bin/mysql 2>/dev/null -u${USER} -p${PASSWD} -h${HOST} -S ${SOCKET}   -BNe 'select @@datadir')
total_size=$(du -sc $datadir | tail -1 | sed 's/total//g' | sed 's/total//g' ) 
IP_ADDR=$(/sbin/ip a|egrep '10.[0|1].[1-9]+.[1-9]+*' | awk '{print $2}'| cut -d '/' -f 1);
mysql -u${USER} -p${PASSWORD}  -h ${HOST} -S ${SOCKET} 2>/dev/null -e "set @ip='$IP_ADDR'; set @total_size='$total_size';
SELECT @ip AS IP_ADDR,
    date_format(now(),'%Y-%m-%d') AS INSERT_DATE ,
    CONCAT(table_schema, '.', table_name) AS TB_NAME,
    table_rows AS ROWS,
    data_length  AS DATA,
    index_length  AS idx,
 ( data_length + index_length ) AS total_size,
    index_length / data_length AS idxfrac,
 ROUND((data_length+index_length)/@total_size/1024,2) as pct
 FROM information_schema.TABLES where table_schema NOT IN ('mysql','test','information_schema','heartbeat','performance_schema')
    ORDER BY ( data_length + index_length ) DESC LIMIT 10 ; "