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Using dbsake to recover table structure from .frm files and process mysqldump output

 | December 16, 2015 |  Posted In: InnoDB, Insight for DBAs, MySQL

We work on data recoveries quite often. In many cases, we recover table structures from the .frm files because there was no backup available. There is already a great blog post by my colleague Miguel Ángel Nieto about how we can recover structures from .frm files using MySQL utilities. This works pretty well and we prefer […]

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innotop 1.9.1 released

 | July 12, 2013 |  Posted In: MySQL

Lefred and I spent a bit of time making innotop 1.9.1. We’ve released a new version mainly to include MySQL 5.6 support as well as including some bugs fixed by Baron Schwartz and Frédéric Descamps. You can download the .tar.gz and rpm’s (new!) at http://code.google.com/p/innotop/downloads/list Bugs fixed: Issue 71: DBI prints to STDERR instead of just throwing an […]

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Percona Toolkit by example – pt-stalk

 | January 3, 2013 |  Posted In: Insight for DBAs, MySQL, Percona Software, Percona Toolkit

pt-stalk recipes: Gather forensic data about MySQL when a server problem occurs It happens to us all from time to time: a server issue arises that leaves you scratching your head. That’s when Percona Toolkit’s pt-stalk comes into play, helping you diagnose the problem by capturing diagnostic data that helps you pinpoint what’s causing the […]

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Get Me Some Query Logs!

 | November 22, 2012 |  Posted In: Events and Announcements, Insight for DBAs, MySQL

One of my favorite tools in the Percona Toolkit is pt-query-digest.  This tool is indispensable for identifying your top SQL queries, and analyzing which queries are accounting for your database load. But the report you get from pt-query-digest is only as good as the log of queries you give it as input.  You need a large […]

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UDF -vs- MySQL Stored Function

 | September 6, 2010 |  Posted In: MySQL

Few days ago I was working on a case where we needed to modify a lot of data before pushing it to sphinx – MySQL did not have a function to do the thing so I thought I’ll write MySQL Stored Function and we’ll be good to go. It worked! But not so well really […]

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