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Percona XtraDB Cluster 5.6.35-26.20 is now available
Percona announces the release of Percona XtraDB Cluster 5.6.35-26.20 on March 10, 2017. Binaries are available from the downloads section or our software repositories. Percona XtraDB Cluster...
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Percona XtraDB Cluster 5.7.17-27.20 is now available
Percona announces the release of Percona XtraDB Cluster 5.7.17-27.20 on March 16, 2017. Binaries are available from the downloads section or our software repositories. NOTE: You can also run Docker...
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How We Made Percona XtraDB Cluster Scale
In this blog post, we’ll look at the actions and efforts Percona experts took to scale Percona XtraDB Cluster. Introduction When we first started analyzing Percona XtraDB Cluster performance, it was...
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Tracking IST Progress in Percona XtraDB Cluster
In this blog post, we’ll look at how Percona XtraDB Cluster uses IST. Introduction Percona XtraDB Cluster uses the concept of an Incremental State Transfer (IST). When a node of the cluster leaves the...
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Enabling Percona XtraDB Cluster SST Traffic Encryption
In this blog post, we’ll look at enabling Percona XtraDB Cluster SST Traffic Encryption, and some of the changes to the SSL-based encryption of SST traffic in Percona XtraDB Cluster 5.7.16. Some...
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Simplified Percona XtraDB Cluster SSL Configuration
In this blog post, we’ll look at a feature that recently added to Percona XtraDB Cluster 5.7.16, that makes it easier to configure Percona XtraDB Cluster SSL for all related communications. It uses...
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BEWARE: Increasing fc_limit can affect SELECT latency
In this blog post, we’ll look at how increasing the fc_limit can affect SELECT latency. Introduction Recent Percona XtraDB Cluster optimizations have exposed fc_limit contention. It was always there,...
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Percona XtraDB Cluster Transaction Replay Anomaly
In this blog post, we’ll look at a transaction replay anomaly in Percona XtraDB Cluster. Introduction Percona XtraDB Cluster/Galera replays a transaction if the data is non-conflicting but, the...
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2 new features added to Percona XtraDB Cluster (PXC) since 5.5.31
With the last Percona XtraDB Cluster (PXC) release, two major features were added: * a new command to bootstrap the cluster was added to the init script * SST via Xtrabackup now supports Xtrabackup 2.1...
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Percona XtraDB Cluster/ Galera with Percona Monitoring Plugins
The Percona Monitoring Plugins (PMP) provide some free tools to make it easier to monitor PXC/Galera nodes. Monitoring broadly falls into two categories: alerting and historical graphing, and the...
View ArticleUseful MySQL 5.6 features you get for free in PXC 5.6
I get a lot of questions about Percona XtraDB Cluster 5.6 (PXC 5.6), specifically about whether such and such MySQL 5.6 Community Edition feature is in PXC 5.6. The short answer is: yes, all features...
View ArticleThe use of Iptables ClusterIP target as a load balancer for PXC, PRM, MHA and...
Most technologies achieving high-availability for MySQL need a load-balancer to spread the client connections to a valid database host, even the Tungsten special connector can be seen as a...
View ArticleClusterControl for Percona XtraDB Cluster Improves Management and Monitoring
ClusterControl for Percona XtraDB Cluster is now available in three different versions thanks to our partnership with Severalnines. ClusterControl will make it simpler to manage and monitor Percona...
View ArticleDoing a rolling upgrade of Percona XtraDB Cluster from 5.5 to 5.6
Overview Percona XtraDB Cluster 5.6 has been GA for several months now and people are thinking more and more about moving from 5.5 to 5.6. Most people don’t want to upgrade all at once, but would...
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MySQL High Availability With Percona XtraDB Cluster (Percona MySQL Training)
I’ve had the opportunity to train lots of people on Percona XtraDB Cluster (PXC) over the last few years the product has existed. This has taken the form of phone calls, emails, blog posts, webinars,...
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Galera data on Percona Cloud Tools (and other MySQL monitoring tools)
I was talking with a Percona Support customer earlier this week who was looking for Galera data on Percona Cloud Tools. (Percona Cloud Tools is a hosted service providing access to query performance...
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Q&A: Percona XtraDB Cluster as a MySQL HA solution for OpenStack
Thanks to all who attended my Nov. 12 webinar titled, “Percona XtraDB Cluster as a MySQL HA Solution for OpenStack.” I had several questions which I covered at the end and a few that I didn’t. You can...
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MaxScale: A new tool to solve your MySQL scalability problems
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...
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Playing with Percona XtraDB Cluster in Docker
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...
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Better high availability: MySQL and Percona XtraDB Cluster with good...
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...
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