Created
July 17, 2013 08:02
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Table optimize
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#!/bin/sh | |
echo -n "MySQL username: " ; read username | |
echo -n "MySQL password: " ; stty -echo ; read password ; stty echo ; echo | |
mysql -u $username -p"$password" -NBe "SHOW DATABASES;" | grep -v 'lost+found' | while read database ; do | |
mysql -u $username -p"$password" -NBe "SHOW TABLE STATUS;" $database | while read name engine version rowformat rows avgrowlength datalength maxdatalength indexlength datafree autoincrement createtime updatetime checktime collation checksum createoptions comment ; do | |
if [ "$datafree" -gt 0 ] ; then | |
fragmentation=$(($datafree * 100 / $datalength)) | |
echo "$database.$name is $fragmentation% fragmented." | |
mysql -u "$username" -p"$password" -NBe "OPTIMIZE TABLE $name;" "$database" | |
fi | |
done | |
done |
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