9 Dec 2015 Galera Cluster is the most popular high availability solution according to OpenStack survey The results in the survey were very favourable to Galera Cluster providing high availability for MySQL and OpenStack components. Galera Cluster with MariaDB received second place, Galera with MySQL fifth place and Galera with Percona Server (Percona XtraDB Cluster) sixth place. Altogether Galera Cluster with three different MySQL variants is clearly the most popular database […] Read more...
17 Nov 2015 Announcing Galera Cluster 5.5.46 and 5.6.27 with Galera 3.13 Codership is pleased to announce the release of Galera Cluster 5.5.46 and 5.6.27 with Galera Replication library 3.13, implementing wsrep API version 25. Galera Cluster is now available as targeted packages and package repositories for a number of Linux distributions, including Ubuntu, Red Hat, Debian, Fedora, CentOS, OpenSUSE and SLES. Obtaining packages using a package […] Read more...
9 Nov 2015 Galera Cluster beats Amazon Aurora in performance and MySQL high availability Investigation run by Marco Tusa CONCLUSIONS MySQL/Galera was able to outperform Aurora in all tests — by execution time, number of transactions, and volumes of rows managed. Also, scaling up the Aurora instance did not have the impact I was expecting. Actually it was still not able to match the EC2 MySQL/Galera performance, with […] Read more...
21 Sep 2015 Support for MySQL Transaction Isolation Levels in Galera Cluster This post was written by Seppo Jaakola, CEO of Codership. There appears to be great misunderstanding as to what MySQL transaction isolation levels Galera CLuster actually supports and how. This blog post tries to give answer to those uncertainties. Galera Cluster provides SNAPSHOT ISOLATION between transactions running on separate cluster nodes. Transactions running on the […] Read more...
28 Aug 2015 Announcing Galera Cluster 5.5.42 and 5.6.25 with Galera 3.12 Codership is pleased to announce the release of Galera Cluster 5.5.42 and 5.6.25 with Galera Replication library 3.12, implementing wsrep API version 25. Galera Cluster is now available as targeted packages and package repositories for a number of Linux distributions, including Ubuntu, Debian, Fedora, CentOS, OpenSUSE and SLES. Obtaining packages using a package repository removes […] Read more...
25 Aug 2015 The Primary Component in Galera Cluster In this post, we will describe the Primary Component, a central concept in how Galera ensures that there is no opportunity for database inconsistency or divergence between the nodes in case of a network split. What is the Primary Component? The Primary Component is that set of Galera nodes that can communicate with each other […] Read more...