Burst Convert all tables to InnoDB

convertall.sh

#!/bin/bash
MAX1=`mysql -e"select @@global.max_connections;" -N -B`
MAX=$[$MAX1 - 5]
echo "select table_name from information_schema.tables where engine='myisam' and table_schema='dbname' order by DATA_LENGTH desc limit $MAX;" | mysql --database=dbname -B -N | awk '{print "mysql dbname -e\"set sql_log_bin=0; ALTER TABLE", $1, "engine=innodb;\" &"}' > /tmp/massconvert.sh
bash /tmp/massconvert.sh
rm -f /tmp/massconvert.sh
echo "select table_name from information_schema.tables where engine='myisam' and table_schema='dbname' order by DATA_LENGTH desc limit $MAX,99999;" | mysql --database=dbname -B -N | awk '{print "set sql_log_bin=0; ALTER TABLE", $1, "engine=innodb;"}' | mysql --database=dbname -f &