In this blog, we will answer questions from our webinar on Percona XtraDB Cluster 101.

Recently (7 Dec 2017) I presented a webinar about Percona XtraDB Cluster 101. Firstly, thanks to all the attendees: we had a great webinar with quite some interesting questions and feedback.

Through this blog, I’ll answer most of the questions that were raised during the webinar.

Q. How does the need for the acknowledgment from other nodes affect the speed of writes?

A. There are two parts to replication: delivering a transaction (including acknowledgment) and applying the transaction. …

We have brought further enhancement to MySQL Group Replication 5.7 release by backporting some most requested features to MySQL 5.7.20 release:

• Member weight for automatic primary election on failover
• Disallow writes after leaving the group

And to MySQL 5.7.19 release:

• Transaction savepoint support

Member weight for automatic primary election on failover

The Member weight for automatic primary election on failover feature will allow user to influence primary member election using a integer member weight value.…

Join Percona’s Software Engineer (PXC Lead), Krunal Bauskar as he presents Percona XtraDB Cluster 101 on Thursday, December 7, 2017, at 7:00 am PST / 10:00 am EST (UTC-8).

Tags: Percona XtraDB Cluster, MySQL, High Availability, Clustering

Experience Level: Beginner

Percona XtraDB Cluster (PXC) is a multi-master solution that offers virtual synchronous replication among clustering node. It is based on the Codership Galera replication library. In this session, we will explore some key features of Percona XtraDB Cluster that make it enterprise ready including some recently added 5.7 exclusive features.

This webinar is an introductory and …

In this blog post I’ll look at the performance of Percona XtraDB Cluster on AWS using different service instances, and recommend some best practices for maximizing performance.

You can use Percona XtraDB Cluster in AWS environments. We often get questions about how best to deploy it, and how to optimize both performance and spend when doing so. I decided to look into it with some benchmark testing.

For these benchmark tests, I used the following configuration:

• Region:
  • Availability zones: US East – 1, zones: b, c, d
  • Sysbench 1.0.8
  • ProxySQL 1.4.3
  • 10 tables, 40mln records – ~95GB dataset
  • Percona XtraDB Cluster 5.7.18
  • Amazon Linux AMI

We …

Percona announces the release of Percona XtraDB Cluster 5.7.19-29.22-3 on October 27, 2017. Binaries are available from the downloads section or our software repositories.

NOTE: You can also run Docker containers from the images in the Docker Hub repository.

Percona XtraDB Cluster 5.7.19-29.22-3 is now the current release, based on the following:

• …

Percona announces the release of Percona XtraDB Cluster 5.6.37-26.21-3 on October 27, 2017. Binaries are available from the downloads section or our software repositories.

Percona XtraDB Cluster 5.6.37-26.21-3 is now the current release, based on the following:

• Percona Server for MySQL 5.6.37-82.2
• Galera Replication library 3.21
• wsrep API version 26

All Percona software is open-source and free.

…

MySQL 8.0.3 release candidate is out with amazing new replication features, along with changes in couple of replication default options. Thanks to our users for their constant feedback and valuable inputs, MySQL is changing defaults whenever possible to remove configuration overhead for practical deployment of MySQL server.…

Percona announces the release of Percona XtraDB Cluster 5.7.19-29.22 on September 22, 2017. Binaries are available from the downloads section or our software repositories.

NOTE: You can also run Docker containers from the images in the Docker Hub repository.

Percona XtraDB Cluster 5.7.19-29.22 is now the current release, based on the following:

• …

Great news! MySQL 8.0.3 is out and it is a release candidate. In the replication team we have been busy working on interesting new enhancements and also doing some clean up. Some of these new features are out in this release.…

Percona announces the release of Percona XtraDB Cluster 5.6.37-26.21 on September 20, 2017. Binaries are available from the downloads section or our software repositories.

Percona XtraDB Cluster 5.6.37-26.21 is now the current release, based on the following:

• Percona Server for MySQL 5.6.37-82.2
• Galera Replication library 3.21
• wsrep API version 26

All Percona software is open-source and free.

…