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Troubleshooting MySQL Memory Usage

One of the most painful troubleshooting tasks with MySQL is troubleshooting memory usage. The problem usually starts like this – you have configured MySQL to use reasonable global buffers, such as innodb_buffer_size, key_buffer_size etc, you …

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MySQL Configuration Wizard Updated

We’ve released an updated version of the MySQL Configuration Wizard we announced at the end of last year. If you don’t remember that announcement, here’s the short version: this is a tool to help you …

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Schedule for MySQL Conference 2012 is Published

I am pleased to announce the schedule for Percona Live: MySQL Conference And Expo 2012 is now published. This is truly great selection of talks with something for MySQL Developers, DBAs, Managers, people just starting …

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linux.conf.au 2012 roundup

I spent last week at linux.conf.au in Ballarat, Victoria (that’s the Victoria in Australia, not wherever else there may be one) which is only a pleasant two hour drive from my home town of Melbourne …

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MySQL opening .frm even when table is in table definition cache

or… “the case of Stewart recognizing parameters to the read() system call in strace output”. Last week, a colleague asked a question: I have an instance of MySQL with 100 tables and the table_definition_cache set …

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Stewart speaking at OSDC 2011

I’ve just arrived at ANU in Canberra for the Open Source Developers Conference 2011 (OSDC). I’ve spoken at several of the past OSDCs that have been held around Australia: 2005, 2007, 2008, 2010 and now …

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Fishing with dynamite, brought to you by the randgen and dbqp

I tend to speak highly of the random query generator as a testing tool and thought I would share a story that shows how it can really shine. At our recent dev team meeting, we …

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dbqp and Xtrabackup testing

So I’m back from the Percona dev team’s recent meeting.  While there, we spent a fair bit of time discussing Xtrabackup development.  One of our challenges is that as we add richer features to the …

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Percona Welcomes Patrick Crews

I am very happy to welcome Patrick Crews to the Percona development team. Patrick joins Percona at a very exciting time for the development team. We are getting regular releases of Percona Server and Percona …

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Updated Percona Server and Percona XtraBackup documentation

We’ve just gone live with a new way of publishing and maintaining documentation for Percona Server and Percona XtraBackup. We are now using Sphinx to generate the documentation that we publish on the web site. Sphinx …

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