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MySQL ring replication: Why it is a bad option

 | October 7, 2014 |  Posted In: High-availability, Insight for DBAs, MySQL, Percona MySQL Consulting

I’ve recently worked with customers using replication rings with 4+ servers; several servers accepting writes. The idea behind this design is always the same: by having multiple servers, you get high availability and by having multiple writer nodes, you get write scalability. Alas, this is simply not true. Here is why. High Availability Having several […]

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OpenStack: A MySQL DBA Perspective – Sept. 17 webinar

 | September 11, 2014 |  Posted In: MySQL, MySQL Webinars, OpenStack, Percona XtraDB Cluster, Trove

I’ll have the pleasure to present, next Wednesday, September 17 at 10 a.m. PDT (1 p.m. EDT) a webinar titled “OpenStack: A MySQL DBA Perspective.” Everyone is invited. The webinar will be divided into two parts. The first part will cover how MySQL can be used by the OpenStack infrastructure including the expected load, high-availability […]

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High Availability with mysqlnd_ms on Percona XtraDB Cluster

 | July 16, 2014 |  Posted In: High-availability, Insight for Developers, MySQL, Percona XtraDB Cluster

This is the second part of my series on High Availability with mysqlnd_ms. In my first post, “Simple MySQL Master HA with mysqlnd_ms,” I showed a simple HA solution using asynchronous MySQL replication. This time we will see how to leverage an all-primary cluster where you can write to all nodes. In this post I used […]

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Simple MySQL Master HA with mysqlnd_ms

 | July 14, 2014 |  Posted In: Insight for Developers, MySQL

I had the pleasure of presenting to the PHP Users Group Philippines a few days ago about mysqlnd_ms. The mysqlnd plugin, MySQL Master Slave, is a transparent layer on top of mysqlnd extension. This allows you to do read-write splitting and slave reads load balancing without needing to change anything from your application. But do […]

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High Availability with MySQL Fabric: Part II

and  | May 30, 2014 |  Posted In: High-availability, Insight for DBAs, MySQL

This is the third post in our MySQL Fabric series. If you missed the previous two, we started with an overall introduction, and then a discussion of MySQL Fabric’s high-availability (HA) features. MySQL Fabric was RC when we started this series, but it went GA recently. You can read the press release here, and see this blog post from Oracle’s Mats […]

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High Availability with MySQL Fabric: Part I

and  | May 15, 2014 |  Posted In: High-availability, Insight for DBAs, MySQL

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, we’ll review MySQL Fabric’s HA concepts, and then walk you through the setup of a 3-node cluster with one Primary and two […]

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Managing farms of MySQL servers with MySQL Fabric

and  | April 25, 2014 |  Posted In: High-availability, Insight for DBAs, Insight for Developers, MySQL

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 produced many good products to fill in this gap, but recently, Oracle has been filling it too with the addition of MySQL Utilities to the mix. One […]

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Oracle’s Mats Kindahl to weave MySQL Fabric into Percona Live session

 | March 3, 2014 |  Posted In: High-availability, Insight for DBAs, Insight for Developers, MySQL, Percona Live

MySQL Fabric is an integrated framework for managing farms of MySQL servers with support for both high-availability and sharding. Its development has been spearheaded by Mats Kindahl, senior principal software developer in MySQL at Oracle. Mats is leading the MySQL Scaling and High-Availability effort covering the newly released MySQL Fabric and the MySQL Applier for […]

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