Codership will be a sponsor at DOAG 2024 in Nuremberg, Germany. There will also be 2 Galera Cluster related talks to attend:
There are also a few Galera Cluster blog posts in German from our partner Ordix that are useful:
In current times, there is a high degree of focus on ensuring the availability and recovery of your production data. This can be challenging at times when using DBaaS solutions in the public cloud space, for example, when using AWS Aurora. Relying solely on a single cloud provider for database services can pose significant risks. […]
Codership is pleased to announce a new beta preview release of the multi-master Galera Cluster for MySQL 8.4, consisting of MySQL-wsrep 8.4.2-26.20 (release notes, download), with Galera replication library 4.20 (release notes, download) implementing wsrep API version 26. This release incorporates all changes to MySQL 8.4.2, adding a synchronous option for your MySQL High Availability solutions.
One will notice that MySQL-wsrep 8.4.2-26.20 uses …
[Read more]Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 8.0, consisting of MySQL-wsrep 8.0.39-26.20 (release notes, download), with Galera replication library 4.20 (release notes, download) implementing wsrep API version 26. This release incorporates all changes to MySQL 8.0.39, adding a synchronous option for your MySQL High Availability solutions.
In the Galera replication …
[Read more]Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 8.0, consisting of MySQL-wsrep 8.0.36-26.18 (release notes, download). There is no change to the Galera replication library 4.18 (release notes, download) implementing wsrep API version 26. This release incorporates all changes to MySQL 8.0.36, adding a synchronous option for your MySQL High Availability solutions.
This is a …
[Read more]Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 8.0, consisting of MySQL-wsrep 8.0.36 (release notes, download), with Galera replication library 4.18 (release notes, download) implementing wsrep API version 26. This release incorporates all changes to MySQL 8.0.36, adding a synchronous option for your MySQL High Availability solutions.
There have been some notable changes …
[Read more]A little over a week ago, we released Galera Cluster for MySQL 8.0.35. Today, we have also made available binaries for Debian 12 “bookworm”.
As always we have binary installation documentation available, and if you are just after a quick install, the following is what is in your /etc/apt/sources.list.d/galera.list:
deb https://releases.galeracluster.com/galera-4.17/debian bookworm main
deb https://releases.galeracluster.com/mysql-wsrep-8.0.35-26.16/debian bookworm main
Happy installing, and the next step is to ensure that Debian 12 is enabled on Galera …
[Read more]Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 5.7, consisting of MySQL-wsrep 5.7.44 (release notes, download) and MySQL-wsrep 8.0.35 (release notes, download), with Galera replication library 4.17 (release notes, download) implementing wsrep API version …
[Read more]In our lab environment, we received some emails from our provider, DigitalOcean saying a few nodes would be going down, because of issues with the physical nodes. Since we run a 9-node Galera Cluster in the lab, across 3 regions (San Francisco, London and Singapore), this posed an interesting problem!
Upon connecting to one of the nodes, we see:
mysql> show status like 'wsrep_cluster_size'; +--------------------+-------+ | Variable_name | Value | +--------------------+-------+ | wsrep_cluster_size | 7 | +--------------------+-------+ 1 row in set (0.02 sec)
So we know that 2 of the nodes are down. Presuming you do not have any monitoring setup (might we recommend …
[Read more]Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 5.7, consisting of MySQL-wsrep 5.7.43 (release notes, download) and MySQL-wsrep 8.0.34 (release notes, download), with Galera replication library 4.16 (release notes, download) implementing wsrep API version …
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