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Keynote Speakers for Percona Live MySQL Conference 2014 and $5 Expo Only Passes
The Percona Live MySQL Conference 2014 in Santa Clara, California is just around the corner: April 1-4. There is a tremendous amount of activity leading up to the conference, some of which I will...
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How to create a new Percona XtraDB Cluster with ClusterControl
We recently announced Percona ClusterControl supplied in partnership with Severalnines. This enterprise-grade cluster management and monitoring software is available with a Percona Support contract...
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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 are...
View ArticleHow rows_sent can be more than rows_examined?
When looking at queries that are candidates for optimization I often recommend that people look at rows_sent and rows_examined values as available in the slow query log (as well as some other places)....
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Engineer duo from Google, LinkedIn join again for InnoDB talks
Google senior systems engineer Jeremy Cole is once again teaming with LinkedIn senior software engineer Davi Arnaut for two InnoDB-focused sessions at the upcoming Percona Live MySQL Conference and...
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Q&A: Common (but deadly) MySQL Development Mistakes
On Wednesday I gave a presentation on “How to Avoid Common (but Deadly) MySQL Development Mistakes” for Percona MySQL Webinars. If you missed it, you can still register to view the recording and my...
View ArticleNew mydumper 0.6.1 release offers performance and usability features
One of the tasks within Percona Remote DBA is to ensure we have reliable backups with minimal impact. To accomplish this, one of the tools our team uses is called mydumper. We use mydumper for logical...
View ArticleIntroducing backup locks in Percona Server
TL;DR version: The backup locks feature introduced in Percona Server 5.6.16-64.0 is a lightweight alternative to FLUSH TABLES WITH READ LOCK and can be used to take both physical and logical backups...
View ArticlePercona Server with TokuDB: Packing 15TB into local SSDs
Two weeks ago we released an Alpha release of Percona Server with TokuDB. Right now I am on a final stage of evaluation of TokuDB for using in our project Percona Cloud Tools and it looks promising....
View ArticleCreating GEO-enabled applications with MySQL 5.6
In my previous post I’ve showed some new MySQL 5.6 features which can be very helpful when creating geo-enabled applications. In this post I will show how we can obtain open-source GIS data, convert it...
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Innodb redo log archiving
Percona Server 5.6.11-60.3 introduces a new “log archiving” feature. Percona XtraBackup 2.1.5 supports “apply archived logs.” What does it mean and how it can be used?Percona products propose three...
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Percona XtraBackup 2.2.1 alpha release is now available
Percona is glad to announce the release of Percona XtraBackup 2.2.1-alpha1 on March 28th 2014. Downloads are available from our download site here. This ALPHA release, will be available in our Debian...
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How to find bugs in MySQL
Finding bugs in MySQL is not only fun, it’s also something I have been doing the last four years of my life.Whether you want to become the next Shane Bester (who is generally considered the most...
View ArticleUsing Apache Hadoop and Impala together with MySQL for data analysis
Apache Hadoop is commonly used for data analysis. It is fast for data loads and scalable. In a previous post I showed how to integrate MySQL with Hadoop. In this post I will show how to export a table...
View ArticleEncrypted and incremental MySQL backups with Percona XtraBackup
We’ve recently received a number of questions on how to implement incremental MySQL backups alongside encryption with Percona XtraBackup. Some users thought it was not initially possible because with...
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Managing farms of MySQL servers with MySQL Fabric
While built-in replication has been a major cause for MySQL’s wide adoption, official tools to help DBAs manage replication topologies have typically been missing from the picture. The community has...
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How to identify and cure MySQL replication slave lag
Here on the Percona MySQL Support team, we often see issues where a customer is complaining about replication delays – and many times the problem ends up being tied to MySQL replication slave lag. This...
View ArticleExploring message brokers
Message brokers are not regularly covered here but are, nonetheless, important web-related technologies. Some time ago, I was asked by one of our customer to review a selection of OSS message brokers...
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High Availability with MySQL Fabric: Part I
In our previous post, we introduced the MySQL Fabric utility and said we would dig deeper into it. This post is the first part of our test of MySQL Fabric’s High Availability (HA) functionality.Today,...
View ArticleDatabase auditing alternatives for MySQL
Database auditing is the monitoring of selected actions of database users. It doesn’t protect the database in case privileges are set incorrectly, but it can help the administrator detect...
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