mysql optimize innodb

mysql-optimize-innodb.sh

#!/bin/sh

set -x

for i in `mysql --batch --execute 'SELECT CONCAT("\`", REPLACE(table_schema, "\`", "\`\`"), "\`.\`", REPLACE(table_name, "\`", "\`\`"), "\`") as \`mysql.db\` FROM information_schema.tables where ENGINE="MyISAM" and table_schema!="information_schema"'`; do mysql --execute "OPTIMIZE NO_WRITE_TO_BINLOG table $i;"; done

for i in `mysql --batch --execute 'SELECT CONCAT("\`", REPLACE(table_schema, "\`", "\`\`"), "\`.\`", REPLACE(table_name, "\`", "\`\`"), "\`") as \`mysql.db\` FROM information_schema.tables where ENGINE="InnoDB" and table_schema!="information_schema"'`; do mysql --execute "ALTER TABLE $i ENGINE=InnoDB; ANALYZE NO_WRITE_TO_BINLOG TABLE $i;"; done

mysql --execute 'PURGE BINARY LOGS BEFORE NOW();'
mysql --execute 'FLUSH TABLES;'
mysql --execute 'FLUSH QUERY CACHE;