Percona Toolkit

Percona Toolkit 2.2.2 released; bug fixes include pt-heartbeat & pt-archiver

During the Percona Live MySQL Conference & Expo 2013 the week before last, we quietly released Percona Toolkit 2.2.2 with a few bug fixes:

pt-archiver –bulk-insert may corrupt data
pt-heartbeat –utc –check always returns 0
pt-query-digest 2.2 prints unwanted debug info on tcpdump parsing errors
pt-query-digest 2.2 prints too many string values
Some tools don’t have –help or –version
Some […]

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Keynotes, BOFs, and the Community Networking Reception at Percona Live MySQL Conference and Expo

The Percona Live MySQL Conference and Expo begins next Monday and runs April 22-25, 2013. Attendees will see great keynotes from leaders in the industry including representatives from Oracle, Amazon Web Services, HP, Continuent, and Percona. They can also participate in thought provoking Birds of a Feather sessions on Tuesday night and the Wednesday […]

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Percona Toolkit for MySQL Webinar Followup Questions

I didn’t have time to answer all of the questions during Wednesday’s MySQL webinar, “5 Percona Toolkit Tools That Could Save Your Day,” but as promised, here are all of the questions and my answers. (A recording is available here.)
Q: One of the links to download the Percona Toolkit for MySQL (percona.com/get/percona-toolkit.tgz) doesn’t work!
A: You’re […]

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MySQL 5.6 Compatible Percona Toolkit 2.2 Released

A new Percona Toolkit series has been released: Percona Toolkit 2.2 for MySQL 5.6. Several months in the making and many new features, changes, and improvements make this a great new series. It replaces the 2.1 series for which we plan to do only one more bug fix release (as 2.1.10) then retire. 2.2 […]

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5 Percona Toolkit Tools for MySQL That Could Save Your Day: April 3 Webinar

On April 3 at 10 a.m. PST, I’ll be giving a webinar titled “5 Percona Toolkit Tools for MySQL That Could Save Your Day.” In this presentation you’ll learn how to perform typical but challenging MySQL database administration tasks.
My focus will be on the following tools:

pt-query-digest, to select the queries you should try to […]

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Facebook at Percona Live MySQL Conference and Expo and Advanced Registration Ending Soon

Facebook is a major user of MySQL and has pushed the performance limits of the technology. Their MySQL experts have deep, hands on knowledge of the technology. I’m pleased to welcome Mark Callaghan, Software Engineer for Database Infrastructure at Facebook, back again this year to the Percona Live MySQL Conference & Expo to share […]

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Oracle Technical Experts at the Percona Live MySQL Conference and Expo

I’m pleased to announce that Oracle is sending some of their top technical people to speak at the Percona Live MySQL Conference and Expo. The conference takes place April 22-25, 2013 at the Santa Clara Convention Center and Hyatt Santa Clara.
Tomas Ulin, VP, MySQL Engineering for Oracle, will present an invited keynote talk […]

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Percona Welcomes MySQL 5.6!

MySQL 5.6 was made generally available as a production-ready solution earlier this month. This release comes about 2 years after MySQL 5.5 was released, but MySQL 5.6 contains improvements started long before that – for example, work on the Innodb Full Text Search project was started over 6 years ago, in addition with many […]

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CentOS 5.8 users: your UTF-8 data is in peril with Perl MySQL

CentOS 5.8 and earlier use Perl module DBD::mysql v3.0007 which has a bug that causes Perl not to flag UTF-8 data as being UTF-8.  Presuming that the MySQL table/column is using UTF-8, and the Perl MySQL connection is also using UTF-8, then a correct system returns:

PV = 0x9573840 “\343\203\213 \303\250″\0 [UTF8 “\x{30cb} \x{e8}”]
That’s a […]

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Analyzing Slow Query Table in MySQL 5.6

Analyzing SQL Queries with Percona Toolkit, Feb. 25-28, 9-11 a.m. PST
Next week I’m teaching an online Percona Training class, called Analyzing SQL Queries with Percona Toolkit.  This is a guided tour of best practices for pt-query-digest, the best tool for evaluating where your database response time is being spent.
This month we saw the GA release […]

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