Discover unoptimized MySQL tables and optimize them.

for table in $(echo "select concat(TABLE_SCHEMA, '.', TABLE_NAME) from information_schema.TABLES where TABLE_SCHEMA NOT IN ('information_schema','mysql') and Data_free > 0" | mysql --skip-column-names); do echo "optimize table ${table}" | mysql; done;
Finds all tables that need optimising and loops through them, running optimise against them. This works server-wide, on all databases and tables.

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By: Xiol
2011-06-28 21:09:57

What Others Think

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florahwilliams · 43 weeks ago

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Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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