sexta-feira, 24 de outubro de 2014

Defragmenting unused space on InnoDB tablespace

http://ift.tt/12pP2cN

Introduction When you e.g. delete rows, these rows are just marked as deleted not really physically deleted from indexes and free space introduced is not returned to operating system for later reuse. Purge thread will physically delete index keys and rows, but still free space introduced is not returned to operating system and this operation… Continue reading

from The MariaDB Blog http://ift.tt/1pKKMuy

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