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MySQL is crashing: a support engineer’s point of view

In MySQL QA Episode #12, “MySQL is Crashing, now what?,” Roel demonstrated how to collect crash-related information that will help Percona discover what the issue is that you are experiencing, and fix it. As a Support …

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MySQL QA Episode 8: Reducing Testcases for Engineers: tuning reducer.sh

Welcome to MySQL QA Episode 8: Reducing Testcases for Engineers: tuning reducer.sh Advanced configurable variables & their default/vanilla reducer.sh settings FORCE_SKIPV FORCE_SPORADIC TIMEOUT_COMMAND & TIMEOUT_CHECK MULTI_THREADS MULTI_THREADS_INCREASE QUERYTIMEOUT STAGE1_LINES SKIPSTAGE FORCE_KILL Some examples FORCE_SKIPV/FORCE_SPORADIC TIMEOUT_COMMAND/TIMEOUT_CHECK …

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Facebook MySQL database engineers ready for Percona Live London 2014

With 1.28 billion active users, Facebook MySQL database engineers are active and extremely valuable contributors to the global MySQL community. So naturally they are also active participants of Percona Live MySQL conferences! And next week’s …

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Examining the TokuDB MySQL storage engine file structure

As we know different storage engines in MySQL have different file structures. Every table in MySQL 5.6 must have a .frm file in the database directory matching the table name. But where the rest of …

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The MySQL ARCHIVE storage engine – Alternatives

In my previous post I pointed out that the existing ARCHIVE storage engine in MySQL may not be the one that will satisfy your needs when it comes to effectively storing large and/or old data. But …

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Problems with Multiple XA Storage Engines in MySQL 5.6

While integrating TokuDB into MySQL 5.6, we found that MySQL 5.6 does not support more than one XA storage engine. For example, there is an assert in the ha_recover function that fires when the total …

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Video: The InnoDB Storage Engine for MySQL

(This is a cross post from percona.tv – the home of percona material in video form.) Last month I gave a presentation at the PHP UK Conference on the InnoDB storage engine.  I was a …

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TokuDB Storage Engine for MySQL

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Tokutek officially announced the TokuDB for MySQL v2.0 Storage Engine, v2.0 on April 16th, 2009. TokuDB uses Fractal Tree (TM) technology to boost MySQL performance for users challenged with interactive querying in high volume, always-on …

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Wonderfull World of MySQL Storage Engines slides are now published

I should be faster with publishing slides but things are how they are. The slides from my OSCON2008 talk are now published at Percona Presentation Pages. Enjoy

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MySQL Performance Engineer opening

As you know we love to analyze performance of various MySQL features, benchmark, compare, analyze things and post our findings on MySQL Performance Blog. However recently we got too busy with serving out customers and …

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