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MySQL’s INNODB_METRICS table: How much is the overhead?

Starting with MySQL 5.6 there is an INNODB_METRICS table available in INFORMATION_SCHEMA which contains some additional information than provided in the SHOW GLOBAL STATUS output – yet might be more lightweight than PERFORMANCE_SCHEMA. Too bad INNODB_METRICS was designed during the Oracle-Sun split under MySQL leadership and so it covers only InnoDB counters. I think this […]

A closer look at the MySQL ibdata1 disk space issue and big tables

A recurring and very common customer issue seen here at the Percona Support team involves how to make the ibdata1 file “shrink” within MySQL. I can only imagine there’s a degree of regret by some of the InnoDB architects on their design decisions regarding disk-space management by the shared tablespace* because this has been a big […]

10 years of MySQL User Conferences

In preparing for this month’s Percona Live MySQL Conference and Expo, I’ve been reminiscing about the annual MySQL User Conference’s history – the 9 times it previously took place in its various reincarnations – and there are a lot of good things, fun things to remember. 2003 was the year that marked the first MySQL user conference […]

Must read talk from MySQL Conference and Expo

I started going over the slides from talks from MySQL Conference and Expo 2011 to pick set of must see presentations and publish the list, but this is not happening due to lack of time. Instead I’m only going to recommend 1 talk, from list of tutorials I had a chance to review. If you […]

Scaling to 256-way the Sun way

As you may have recently seen there are some articles about scaling MySQL one 256-way system. I though wow did they really make it work, considering how many bottlenecks remain in MySQL. What article really tells us ?

Conference for MySQL Users

If you’re following PlanetMySQL you’ve already seen Baron’s post about MySQL Conference which many of us just have returned from. It was great event as well as 5 conferences I’ve been before that, though however it more and more becomes MySQL marketing channel and business event rather than Users Conference as it originated. This Year […]