Tag - Percona XtraDB Cluster

Webinar Q&A: Percona XtraDB Cluster 101

InnoDB Performance Optimization

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 […]

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Demystifying Sequence Numbers (seqno) in Percona XtraDB Cluster

sequence numbers

In this blog post, we’ll look at how sequence numbers work in Percona XtraDB Cluster.
Introduction
Percona XtraDB Cluster uses multiple sequence numbers (seqno), each having a special role to play. Let’s try to understand the significance of each sequence number.
global_seqno

An active Percona XtraDB Cluster cluster has multiple write-sets (transactions) generated from one or more nodes. These […]

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Webinar Thursday, December 7, 2017: Percona XtraDB Cluster (PXC) 101

High Availability

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 […]

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Best Practices for Percona XtraDB Cluster on AWS

Percona XtraDB Cluster on AWS 2 small

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 […]

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Percona XtraDB Cluster 5.7.19-29.22-3 is now available

Percona XtraDB Cluster 5.7

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 Server 5.7.19-17
Galera Replication library 3.22
wsrep […]

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Percona XtraDB Cluster 5.6.37-26.21-3 is Now Available

Percona XtraDB Cluster 5.7

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.

Fixed Bugs

Added access checks […]

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Percona XtraDB Cluster 5.7.19-29.22 is now available

Percona XtraDB Cluster 5.7

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:

Percona Server 5.7.19-17
Galera Replication library 3.22
wsrep […]

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Percona XtraDB Cluster 5.6.37-26.21 is Now Available

Percona XtraDB Cluster 5.7

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.

Improvements

PXC-851: Added version compatibility […]

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Webinar Wednesday, September 6, 2017: Percona Roadmap and Software News Update – Q3 2017

Percona Software News

Come and listen to Percona CEO Peter Zaitsev on Wednesday, September 6, 2017 at 10am PT / 1pm ET (UTC-7) discuss the Percona roadmap, as well as what’s new in Percona open source software.
Reserve Your Spot
 
During this webinar Peter will talk about newly released features in Percona software, show a few quick demos and share with […]

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Group Replication: The Sweet and the Sour

Group Replication

In this blog, we’ll look at group replication and how it deals with flow control (FC) and replication lag. 
Overview
In the last few months, we had two main actors in the MySQL ecosystem: ProxySQL and Group-Replication (with the evolution to InnoDB Cluster). 
While I have extensively covered the first, my last serious work on Group Replication […]

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