High-availability

InnoDB Cluster in a Nutshell: Part 2 MySQL Router

MySQL Router MySQL Cluster

MySQL InnoDB Cluster is an Oracle High Availability solution that can be easily installed over MySQL to provide high availability with multi-master capabilities and automatic failover. In the previous post we presented the first component of InnoDB Cluster, group replication. Now we will go through the second component, MySQL Router.  We will address MySQL Shell in a final […]

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InnoDB Cluster in a nutshell Part 1: Group Replication

innodb cluster in a nutshell part 1

Since MySQL 5.7 we have a new player in the field, MySQL InnoDB Cluster. This is an Oracle High Availability solution that can be easily installed over MySQL to get High Availability with multi-master capabilities and automatic failover.
This solution consists in 3 components: InnoDB Group Replication, MySQL Router and MySQL Shell, you can see […]

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Percona XtraDB Cluster 5.7.22-29.26 Is Now Available

Percona XtraDB Cluster 5.7

Percona announces the release of Percona XtraDB Cluster 5.7.22-29.26 (PXC) on June 29, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.7.22-29.26 is now the current release, based on the following:

Percona Server for MySQL 5.7.22
Galera/Codership WSREP API Release 5.7.21
Galera Replication library 3.23

Deprecated
The following variables are deprecated starting from this […]

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Percona XtraDB Cluster 5.6.40-26.25 Is Now Available

Percona XtraDB Cluster 5.7

Percona announces the release of Percona XtraDB Cluster 5.6.40-26.25 (PXC) on June 20, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.6.40-26.25 is now the current release, based on the following:

Percona Server for MySQL 5.6.40
Galera/Codership WSREP API Release 5.6.39
Galera Replication library 3.23

All Percona software is open-source and free.
New […]

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Webinar Tues 19/6: MySQL: Scaling and High Availability – Production Experience from the Last Decade(s)

scale high availability

Please join Percona’s CEO, Peter Zaitsev as he presents MySQL: Scaling and High Availability – Production Experience Over the Last Decade(s) on Tuesday, June 19th, 2018 at 7:00 AM PDT (UTC-7) / 10:00 AM EDT (UTC-4).
Register Now
 
Percona is known as the MySQL performance experts. With over 4,000 customers, we’ve studied, mastered and executed many […]

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What is the Top Cause of Application Downtime Today?

Application outages lurking monster

I frequently talk to our customer base about what keeps them up at night. While there is a large variance of answers, they tend to fall into one of two categories. The first is the conditioned fear of some monster lurking behind the scenes that could pounce at any time. The second, of course, […]

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Webinar Tues, 5/29: MySQL, Percona XtraDB Cluster, ProxySQL, Kubernetes: How they work together

Please join Percona’s Principal Architect Alex Rubin as he presents MySQL, Percona XtraDB Cluster, ProxySQL, Kubernetes: How they work together to give you a highly available cluster database environment on Tuesday, May 29th at 7:00 AM PDT (UTC-7) / 10:00 AM EDT (UTC-4).
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In this webinar, Alex will discuss how to deploy a highly […]

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Causes and Workarounds for Slave Performance Too Slow with Row-Based Events

Slave Performance Too Slow

Recently I worked on one customer issue that I would describe as “slave performance too slow”. During a quick analysis, I’ve found that the replication slave SQL thread cannot keep up while processing row-based events from the master’s binary log.
For example:

Slave thread example
MySQL

mysql> SHOW SLAVE STATUSG
*************************** 1. row ***************************
[…]

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Percona Live 2018: Closing Ceremony with Lightning Talks

Mariella ViaSat Percona Live 2018

Percona Live 2018 is officially done! The closing ceremony ends the conference with a last few lightning talks and a prize giveaway.
We ended the Percona Live 2018 conference the same way we started: with talks! This year, we had our lightning talks as part of our closing ceremony. They included:
Amazon Aurora MySQL and RDS […]

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Webinar Wednesday, April 18, 2018: Percona XtraDB Cluster 5.7 Tutorial

Percona XtraDB Cluster Tutorial

Please join Percona’s Architect, Tibi Köröcz as he presents Percona XtraDB Cluster 5.7 Tutorial on Wednesday, April 18, 2018, at 7:00 am PDT (UTC-7) / 10:00 am EDT (UTC-4).
Never used Percona XtraDB Cluster before? Come join this 45-minute tutorial where we will introduce you to the concepts of a fully functional Percona XtraDB Cluster.
In this tutorial, […]

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