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MariaDB Sessions at Percona Live Europe 2016

 | September 23, 2016 |  Posted In: MariaDB, Percona Live

Percona Live Europe

If you’re going to Percona Live Europe Amsterdam 2016, and are specifically interested in MariaDB-related technologies, there are many talks for you to attend. On Tutorial Monday, you will want to attend my tutorial The Complete MariaDB Server Tutorial. In those three hours, you’ll learn about all the differences that MariaDB Server has to offer […]

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MariaDB 10.2 CHECK and DEFAULT clauses

 | July 29, 2016 |  Posted In: MariaDB, MySQL

MariaDB 10.2 CHECK and DEFAULT

In this blog post, we’ll look at the MariaDB 10.2 CHECK and DEFAULT clauses. MariaDB 10.2 includes some long-awaited features. In this blog, we are going to discuss the improvements to some table definitions: the DEFAULT clause and the CHECK constraints. These clauses describe columns default values and rules for data validation. Note that MariaDB […]

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High availability with asynchronous replication… and transparent R/W split

 | February 25, 2016 |  Posted In: GTID, High-availability, MariaDB, Maxscale, MySQL

High availability with asynchronous replication

In this post, the first one of a Maxscale series, I describe how to use MariaDB’s MaxScale and MySQL-utilities with MySQL Asynchronous replication. When we talk about high availability with asynchronous replication, we always think about MHA or PRM. But if we want to transparently use the slave(s) for READs, what can we use ? Description: […]

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MySQL Auditing with MariaDB Auditing Plugin

 | February 15, 2016 |  Posted In: MariaDB, MySQL, MySQL Audit Log Plugin

MySQL MariaDB audit

This blog will address how the MariaDB Auditing Plugin can help monitor database activity to help with security, accountability and troubleshooting. Why Audit Your Databases? Auditing is an essential task for monitoring your database environment. By auditing your database, you can achieve accountability for actions taken or content accessed within your environment. You will also […]

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Percona Live Data Performance Conference 2016: news you need to know!

 | January 22, 2016 |  Posted In: Events and Announcements, MariaDB, MongoDB, MySQL

Percona Live

The Percona Live Data Performance Conference 2016 is rapidly approaching, and we’re looking forward to providing an outstanding experience April 18-21 for all whom attend. Percona Live is the premier event for the rich and diverse open source community and businesses that thrive in the MySQL and NoSQL marketplaces. Attendees include DBAs, sysadmins, developers, architects, […]

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Clarification on “Call me Maybe: MariaDB Galera Cluster”

 | September 17, 2015 |  Posted In: InnoDB, MariaDB, MySQL, Percona XtraDB Cluster

Recently Aphyr (Kyle Kingsbury) published https://aphyr.com/posts/327-call-me-maybe-mariadb-galera-cluster The article is technically valid, I am not going to dispute a conclusion Aphyr made, but it is also quite technically involved, so users who just jump to conclusion may get the wrong impression and we’re left with more questions than ever. So, let me state what is the […]

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Keep your MySQL data in sync when using Tungsten Replicator

 | May 4, 2015 |  Posted In: Insight for DBAs, MariaDB, MySQL, MySQL 101

MySQL replication isn’t perfect and sometimes our data gets out of sync, either by a failure in replication or human intervention. We are all familiar with Percona Toolkit’s pt-table-checksum and pt-table-sync to help us check and fix data inconsistencies – but imagine the following scenario where we mix regular replication with the Tungsten Replicator: We […]

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Percona University: Back to school Feb. 12 in Raleigh, N.C.

 | January 27, 2015 |  Posted In: Big Data, Insight for DBAs, MariaDB, MySQL, OpenStack

About two years ago we held our first-ever Percona University event in Raleigh, N.C. It was a great success with high attendance and very positive feedback which led us to organize a number of similar educational events in different locations around the world. And next month we’ll be back where it all started. On February […]

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Using YUM to install specific MySQL/Percona Server versions

 | January 5, 2015 |  Posted In: Insight for DBAs, MariaDB, MySQL, Percona Server

Sometimes it is desired to use particular software versions in production, and not necessary the latest ones. There may be several reasons for that, where I think the most common is when a new version should spend some time in testing or a staging environment before getting to production. In theory each new version is […]

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Log rotate and the (deleted) MySQL log file mystery

 | November 12, 2014 |  Posted In: Insight for DBAs, MariaDB, MySQL, Percona Monitoring Plugins, Percona Server

Did your logging stop working after you set up logrotate? Then this post might be for you. Some time ago, Peter Boros wrote about Rotating MySQL Slow Logs safely, explaining the steps of a “best practice” log rotate/archive. This post will add more info about the topic. When running logrotate for MySQL (after proper setting […]

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