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Detecting invalid and zero temporal values

I’ve been thinking a lot about invalid and zero temporal values and how to detect them with MySQL date and time functions because mk-table-checksum has to handle “everything” correctly and efficiently....

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Hack MySQL is longer maintained

I have decided to “officially” retire Hack MySQL, which is to say that the web site (pages, tools, etc.) will no longer be maintained. The MySQL universe has changed significantly since 2004 when I...

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Compiling Drizzle 7 on Mac OS X 10.6

Drizzle 7 GA has been released, so I wanted to compile and test it on my Mac running OS X 10.6.7.  Since Drizzle 7 is new, Mac binaries are not available yet.  I’ve compiled MySQL from source more...

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Drizzle 7 plugins

Last week I wrote about my experience compiling Drizzle 7 on Mac OS X 10.6. Then David Shrewsbury informed me of his nearly identical blog post: Installing Drizzle from source on OS X. Once Drizzle 7...

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MySQL tools article

Although I no longer maintain hackmysql.com, I still actively develop MySQL tools. An article I wrote, 10 essential MySQL tools for admin, was published today. I hope no one’s feelings are hurt if...

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New algorithm for calculating 95 percentile

The 95 percentile for query response times is and old concept; Peter and Roland blogged about it in 2008. Since then, MySQL tools have calculated the 95 percentile by collecting all values, either...

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Databases and documentation

The MySQL documentation impresses me. I can’t recall a time when I didn’t find what I was looking for or that its details were lacking. Documenting a database server is difficult; the amount of...

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Speaking at Percona Live MySQL Conference & Expo 2012

I’m speaking at Percona Live MySQL Conference & Expo 2012. My two talk are: Getting Started with Drizzle 7.1 and Verifying MySQL Replication Safely With pt-table-checksum 2.0. No, there’s no...

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PT BOF at PLMCE 2012

PT BOF at PLMCE 2012, or: I submitted a session for Percona Toolkit Birds of a Feather at Percona Live MySQL Conference & Expo 2012. You should BoF too; hard deadline is Monday, March 12th: submit...

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Taxonomy of database tools

Taxonomy of Database Tools In the MySQL ecosphere there is an ecosystem of tools.  Like real-world ecosystems, the “creatures” in the MySQL tools ecosystem can be classified and organized by a...

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Speaking at PLMCE 2013

Yes it’s still 4 months away, but some pre-selected sessions for Percona Live MySQL Conference & Expo 2013 have been released, and one is mine: Survey of Percona Toolkit: Command-line Tools for...

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Hiring: Perl programmer, PHP programmer, UI/UX consultant

I don’t get to say this often, but “I’m hiring” (at Percona): Perl programmer PHP programmer UI/UX consultant (temp. contract) I’ve been with Percona for about 5 years, so I can tell you: it’s probably...

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