Percona announces the release of Percona XtraDB Cluster 5.7.21-29.26 (PXC) on March 2, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.7.21-29.26 is now the current release, based on the following:
Starting from now, Percona XtraDB Cluster issue …
[Read more]Percona announces the release of Percona XtraDB Cluster 5.6.39-26.25 (PXC) on February 26, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.6.39-26.25 is now the current release, based on the following:
Starting from this release, Percona XtraDB …
[Read more]In this blog post, I’ll look at how to make Percona XtraDB Cluster and SELinux work when used together.
Recently, I encountered an issue with Percona XtraDB Cluster startup. We tried to setup a three-node cluster using Percona XtraDB Cluster with a Vagrant CentOS box, but somehow node2 was not starting. I did not get enough information to debug the issue in the donor/joiner error log. I got only the following error message:
2018-02-08 16:58:48 7910 [Note] WSREP: Running: 'wsrep_sst_xtrabackup-v2 --role 'joiner' --address '192.168.100.20' --datadir '/var/lib/mysql/' --defaults-file '/etc/my.cnf' --defaults-group-suffix '' --parent '7910' --binlog 'mysql-bin' ' 2018-02-08 16:58:48 7910 [ERROR] WSREP: Failed to …[Read more]
In order to improve observability and manageability of MySQL Group Replication (GR), we enhanced its instrumentation in MySQL 8.0.4. With these goals in mind, we have extended the usage of Performance Schema (P_S) from this plugin to the included Group Communication System (GCS) module as well as its submodule eXtended Communications (XCom) which are responsible for all communication involved in the dissemination of transactions to other MySQL instances.…
Percona announces the release of Percona XtraDB Cluster 5.7.20-29.24 (PXC) on January 26, 2018. Binaries are available from the downloads section or our software repositories.
NOTE: Due to new package dependency,
Ubuntu/Debian users should use apt-get dist-upgrade,
apt upgrade, or apt-get install
percona-xtradb-cluster-57 to upgrade.
Percona XtraDB Cluster 5.7.20-29.24 is now the current release, based on the following:
MySQL Cluster Manager 1.4.5 is now available for download from My
Oracle Support.
Overview
MCM 1.4.5 contains further stability and usability improvements
of MySQL Cluster Manager.
The 1.4.5 release bundles MySQL Cluster 7.5.9. However, since MySQL Cluster 7.5.7, system tables contain sufficient information for MCM to properly support rolling reconfigurations when ndb_cluster_connection_pool is enabled for mysqlds.…
Percona announces the release of Percona XtraDB Cluster 5.6.38-26.23 (PXC) on January 24, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.6.38-26.23 is now the current release, based on the following:
All Percona software is open-source and free. …
[Read more]In this blog post, I’d like to show some relationships of “Group Replication” and “InnoDB Cluster“. My hope is that I will be able to draw meaningful correlations and attempt to simplify our way of thinking about these setups. The MySQL development team released the first GA release of Group Replication in MySQL 5.7.17, which turns… Read More »
High availability for MySQL has become increasingly relevant given the ever increasing rate of adoption and implementation. It’s no secret to anyone in the community that the popularity of MySQL has become noteworthy. I still remember my start with MySQL in the early 5.0 days and people told me that I may not want to consider wasting my time training on a database that didn’t have a large industry adoption, but look at where we are now! One of my favorite pages to cite when trying to exhibit this fact is the db-engines.com ranking trend page where we can see that MySQL is right up there and contending with enterprise products such as Microsoft SQL Server and Oracle.
MySQL has gone from being part of the ever famous LAMP stack for users looking to set up their first website to seeing adoption from major technical players such as …
[Read more]There are 3 pillars for a database architecture: Monitoring, Backup / Restore process, High Availability This blog post is about database High Availability; more precisely about one of the best combo of the moment : MySQL 5.7 Group Replication : the only native HA solution for MySQL, it's a Single/Multi-master update everywhere replication plugin for MySQL with built-in automatic distributed recovery, conflict detection and group membership. ProxySQL 1.4 : probably the best proxy for MySQL.
