Status on FromDual GmbH

MySQL and MariaDB variables inflation

oli.sennhauser@fromdual.com (Oli Sennhauser) — Mon, 12 Dec 2016 21:43:42 +0000

MySQL is well known and widely spread because of its philosophy of Keep it Simple (KISS).

Temporary tables and MySQL STATUS information

oli.sennhauser@fromdual.com (Oli Sennhauser) — Fri, 08 Jul 2016 18:42:58 +0000

When analysing MySQL configuration and status information at customers it is always interesting to see how the applications behave. This can partially be seen by the output of the SHOW GLOBAL STATUS command. See also Reading MySQL fingerprints.

InnoDB variables and status explained

oli.sennhauser@fromdual.com (Oli Sennhauser) — Mon, 02 Jul 2012 17:07:32 +0000

InnoDB Buffer Pool

The InnoDB Buffer Pool is the memory area where the InnoDB Storage Engine caches its data and index blocks. Each InnoDB data and index block has a size of Innodb_page_size (16384 byte = 16 kbyte). The InnoDB Buffer Pool is configured in bytes with the innodb_buffer_pool_size variable. On a dedicated system the InnoDB Buffer Pool can be configured up to 80% of the systems physical RAM (free).

The handler_read_* status variables

oli.sennhauser@fromdual.com (Oli Sennhauser) — Sat, 13 Mar 2010 21:06:01 +0000

Because I do a lot of Performance Tuning gigs I get often in contact with these status variables. In the beginning I had a problem to understand them and now I have a problem to memorize the relation of the name and the meaning. Therefore I wrote this little summary: