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Percona XtraDB Cluster 5.7.14-26.17 GA is now available

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

Percona XtraDB Cluster Reference Architecture

This Percona XtraDB Cluster 5.7.14-26.17 GA release is dedicated to the memory of Federico Goncalvez, our colleague with Percona’s Uruguayan team until his tragic death on September 6, 2016. Fede, we miss you. Percona announces the first general availability (GA) release in the Percona XtraDB Cluster 5.7 series on September 29, 2016. Binaries are available from the downloads area or […]

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Percona XtraDB Cluster 5.7.12 RC1 is now available

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

Percona XtraDB Cluster Reference Architecture

Percona announces the first release candidate (RC1) in the Percona XtraDB Cluster 5.7 series on August 9, 2016. Binaries are available from the downloads area or our software repositories. Percona XtraDB Cluster 5.7.12-5rc1-26.16 is based on the following: Percona Server 5.7.12 Galera Replicator 3.16 This release includes all changes from upstream releases and the following: New Features PXC Strict […]

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Galera warning “last inactive check”

 | June 2, 2016 |  Posted In: Percona XtraDB Cluster, XtraDB Cluster

Galera warning "last inactive check"

In this post, we’ll discuss the Galera warning “last inactive check” and what it means. Problem I’ve been working with Percona XtraDB Cluster quite a bit recently, and have been investigating various warnings. I came across this one today: [Warning] WSREP: last inactive check more than PT1.5S ago (PT1.51811S), skipping check This warning is related […]

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Galera Error Failed to Report Last Committed (Interrupted System Call)

 | May 27, 2016 |  Posted In: MySQL, Percona XtraDB Cluster, XtraDB Cluster

MySQL-Got-an-error-reading-communication-packet-errors

In this blog, we’ll discuss the ramifications of the Galera Error Failed to Report Last Committed (Interrupted System Call). I have recently seen this error with Percona XtraDB Cluster (or Galera): [Warning] WSREP: Failed to report last committed 549684236, -4 (Interrupted system call) It was posted in launchpad as a bug in 2013: https://bugs.launchpad.net/percona-xtradb-cluster/+bug/1434646 My […]

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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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Playing with Percona XtraDB Cluster in Docker

 | June 30, 2015 |  Posted In: High-availability, MySQL, Percona XtraDB Cluster, Quality Assurance, XtraDB Cluster

Like any good, thus lazy, engineer I don’t like to start things manually. Creating directories, configuration files, specify paths, ports via command line is too boring. I wrote already how I survive in case when I need to start MySQL server (here). There is also the MySQL Sandbox which can be used for the same […]

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MaxScale: A new tool to solve your MySQL scalability problems

 | June 8, 2015 |  Posted In: High-availability, MySQL, Percona XtraDB Cluster, XtraDB Cluster

Ever since MySQL replication has existed, people have dreamed of a good solution to automatically split read from write operations, sending the writes to the MySQL master and load balancing the reads over a set of MySQL slaves. While if at first it seems easy to solve, the reality is far more complex. First, the […]

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Galera data on Percona Cloud Tools (and other MySQL monitoring tools)

 | August 29, 2014 |  Posted In: MySQL, Percona Cloud Tools, Percona MySQL Support, Percona XtraDB Cluster, XtraDB Cluster

I was talking with a Percona Support customer earlier this week who was looking for Galera data on Percona Cloud Tools. (Percona Cloud Tools, now in free beta, is a hosted service providing access to query performance insights for all MySQL uses.) The customer mentioned they were already keeping track of some Galera stats on Cacti, and […]

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