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Percona XtraDB Cluster 5.6.29-25.15 is now available

 | May 20, 2016 |  Posted In: MySQL

Percona XtraDB Cluster 5.6

Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on May 20, 2016. Binaries are available from the downloads area or our software repositories. Percona XtraDB Cluster 5.6.29-25.15 is now the current release, based on the following: Percona Server 5.6.29-76.2 Galera Replicator 3.15 Codership wsrep API 25.15 All of Percona software is open-source […]

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Percona XtraDB Cluster 5.6.28-25.14 is now available

 | January 29, 2016 |  Posted In: Events and Announcements, MySQL, Percona Software, Percona XtraDB Cluster

How to calculate the correct size of Percona XtraDB Cluster's gcache

Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on January 29, 2016. Binaries are available from the downloads area or from our software repositories. Percona XtraDB Cluster 5.6.28-25.14 is now the current release, based on the following: Percona Server 5.6.28-76.1 Galera Replicator 3.14 Codership wsrep API 25.13 All of Percona software […]

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Percona XtraDB Cluster 5.6.27-25.13 is now available

 | January 11, 2016 |  Posted In: Events and Announcements, MySQL, Percona Software, Percona XtraDB Cluster

How to calculate the correct size of Percona XtraDB Cluster's gcache

Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on January 11, 2016. Binaries are available from the downloads area or from our software repositories. Percona XtraDB Cluster 5.6.27-25.13 is now the current release, based on the following: Percona Server 5.6.27-75.0 Percona Server 5.6.27-76.0 Galera Replicator 3.13 Codership wsrep API 25.12 All […]

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Better high availability: MySQL and Percona XtraDB Cluster with good application design

 | December 21, 2015 |  Posted In: High-availability, Insight for DBAs, MySQL, Percona XtraDB Cluster, Replication, XtraDB Cluster

High Availability Have you ever wondered if your application should be able to work in read-only mode? How important is that question? MySQL seems to be the most popular database solution for web-based products. Most typical Internet application workloads consist of many reads, with usually few writes. There are exceptions of course – MMO games […]

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Proxy Protocol and Percona XtraDB Cluster: A Quick Guide

 | October 15, 2015 |  Posted In: haproxy, MySQL, Percona XtraDB Cluster

cluster3

On September 21st, we released Percona XtraDB Cluster 5.6.25. This is the first PXC release supporting proxy-protocol that has been included in Percona Server since 5.6.25-73.0. With this blog post, I want to promote a new feature that you may have ignored. Let’s start with a description of the use case: Architecture Overview: HAProxy is configured like […]

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Clarification on “Call me Maybe: MariaDB Galera Cluster”

 | September 17, 2015 |  Posted In: InnoDB, MariaDB, MySQL, Percona XtraDB Cluster

Recently Aphyr (Kyle Kingsbury) published https://aphyr.com/posts/327-call-me-maybe-mariadb-galera-cluster The article is technically valid, I am not going to dispute a conclusion Aphyr made, but it is also quite technically involved, so users who just jump to conclusion may get the wrong impression and we’re left with more questions than ever. So, let me state what is the […]

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PXC – Incremental State transfers in detail

 | August 5, 2015 |  Posted In: MySQL, Percona XtraDB Cluster

IST Basics State transfers in Galera remain a mystery to most people.  Incremental State transfers (as opposed to full State Snapshot transfers) are used under the following conditions: The Joiner node reports Galera a valid Galera GTID to the cluster The Donor node selected contains all the transactions the Joiner needs to catch up to […]

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