July 31, 2014

InnoDB: look after fragmentation

One problem made me puzzled for couple hours, but it was really interesting to figure out what’s going on. So let me introduce problem at first. The table is

Table has 11864696 rows and takes Data_length: 698,351,616 bytes on disk The problem is that after restoring table from mysqldump, the query that scans data […]

Air traffic queries in InfiniDB: early alpha

As Calpont announced availability of InfiniDB I surely couldn’t miss a chance to compare it with previously tested databases in the same environment. See my previous posts on this topic: Analyzing air traffic performance with InfoBright and MonetDB Air traffic queries in LucidDB I could not run all queries against InfiniDB and I met some […]

Speaking at the LA MySQL Meetup – 18th November

A recent photo from Highload.ru I said in my last post, that we’re interested in speaking at MySQL meetups, and I’m happy to say that the Los Angeles MySQL Meetup has taken us up on the offer. On November 18th, I’ll be giving an introductory talk on InnoDB/XtraDB Performance Optimization.  I will be the second […]

New MariaDB release is out

MariaDB project kept development going in the repository only not providing any binary releases since April, so release was well over due and it is here now. If you’re wondering how this release of MariaDB is different from MySQL you should read this FAQ

Giving a talk in Palo Alto, November 3rd

I’m going to give a talk on Goal Driven Performance Optimization next Tuesday. This is one of my favorite talks as it goes beyond MySQL to the principles you can apply to performance optimizations of the complex systems, especially when you have to do a lot in limited time or budget and so you can’t […]

State of the art: Galera – synchronous replication for InnoDB

First time I heard about Galera on Percona Performance Conference 2009, Seppo Jaakola was presenting “Galera: Multi-Master Synchronous MySQL Replication Clusters”. It was impressed as I personally always wanted it for InnoDB, but we had it in plans at the bottom of the list, as this is very hard to implement properly. The idea by […]

Air traffic queries in LucidDB

After my first post Analyzing air traffic performance with InfoBright and MonetDB where I was not able to finish task with LucidDB, John Sichi contacted me with help to setup. You can see instruction how to load data on LucidDB Wiki page You can find the description of benchmark in original post, there I will […]

XtraDB Amazon Image

For those who use Amazon EC2 service and were anxious about having XtraDB ready to launch there is a good news. We created a public AMI (Amazon Machine Image) with XtraDB release 8 installed on CentOS 5.3. How to use it. First make sure it is avaiable.

Run it. It is built for x86_64 […]


Dear Community, As of today release 0.9.5rc is available. In this release there are following changes: Changelog: Option –no-lock is added to innobackupex-1.5.1. Use it only while ALL your tables are InnoDB and you DO NOT CARE about binary log position of backup XtraBackup is ported for InnoDB Plugin 1.0.4. Barracuda file format as well […]

Percona Performance Conference 2010

It’s time to announce our plans for Percona Performance Conference 2010. We will hold the event on April 12th and 13th in Santa Clara, California. In the months to come we will announce the theme, the exact location (we have it reserved, but it’s subject to change), the exact dates (we may add days), and […]