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Codership und FromDual vereinbaren Zusammenarbeit bei Beratungs- und Support-Dienstleistungen für Galera Cluster auf MySQL

Helsinki, Finnland, Uster, Schweiz – 18. Februar 2012 – Codership, Anbieter des Galera Clusters für MySQL, und FromDual, eine MySQL Beratungsfirma, kündigen eine Zusammenarbeit bei der Verbreitung von Galera Cluster Technologie und dazugehörigen Support- und Beratungs-Dienstleistungen für Galera Anwender an. Galera Cluster ist ein synchroner, echter Multi-Master Replikations-Cluster für MySQL, welcher die weit verbreitete InnoDB Storage Engine nutzt.

I prefer MySQL binary tar balls with Galera...

Taxonomy upgrade extras: 

In my set-ups I have different MySQL versions (MySQL 5.0, 5.1, 5.5 and 5.6, Percona Server 13.1 and 24.0, MariaDB 5.2.10, 5.3.3, Galera 1.0, 1.1 and 2.0) running in parallel at the same time.

Rolling upgrade of Galera 1.0 to 1.1

Taxonomy upgrade extras: 

A few days ago Codership announced their new version Galera v1.1 - synchronous Replication Cluster for MySQL. Before we look at the new feature of Rolling Online Schema Upgrade (OSU) we have a look at how to upgrade to the new Galera release.

New version of FromDual's Performance Monitor for MySQL (MPM) v0.7.2 is out

On December 2nd 2011 FromDual released the new version v0.7.2 of its Performance Monitor for MySQL. The new version can be downloaded from here.

The Performance Monitor for MySQL is an agent which is hooked into the agent of the well known Monitoring solution called Zabbix. Zabbix is an integrated Enterprise Monitoring solution which can produce performance graphs and alerting.

The changes in the new release are:

Building Galera Replication from Scratch

Introduction

MySQL/Galera synchronous Multi-Master Replication consists of 2 parts:

Galera - Synchronous Multi-Master Replication Cluster for MySQL/InnoDB

Galera features

Galera provides the following features:

  • Synchronous replication
  • Active/active multi-master topology
  • Read and write to any cluster node
  • Automatic membership control, failed nodes drop from the cluster
  • Automatic node joining
  • True parallel row level replication
  • Direct client connections
  • Drop-in replacement for native MySQL

Galera benefits

Benefits using Galera Replication:

Undefined

Limitations of MySQL

Often asked but informations are spread around: The limitations of MySQL.

If you know any other MySQL limitations, please let us know.

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