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Percona XtraDB Cluster 5.7.19-29.22-3 is now available

 | October 30, 2017 |  Posted In: Events and Announcements, High-availability, MySQL, Percona Software, Percona XtraDB Cluster, ProxySQL

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 […]

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Percona XtraDB Cluster 5.6.37-26.21-3 is Now Available

 | October 30, 2017 |  Posted In: Events and Announcements, High-availability, MySQL, Percona Software, Percona XtraDB Cluster, ProxySQL

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 […]

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Percona XtraDB Cluster 5.7.19-29.22 is now available

 | September 22, 2017 |  Posted In: Events and Announcements, High-availability, MySQL, Percona Software, Percona XtraDB Cluster, ProxySQL

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 […]

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Percona XtraDB Cluster 5.6.37-26.21 is Now Available

 | September 20, 2017 |  Posted In: Events and Announcements, High-availability, MySQL, Percona Software, Percona XtraDB Cluster, ProxySQL

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 […]

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The MySQL High Availability Landscape in 2017 (The Adults)

 | August 22, 2017 |  Posted In: High-availability, MySQL, Percona XtraDB Cluster

In this blog post, we’ll look at some of the MySQL high availability solution options. In the previous post of this series, we looked at the MySQL high availability (HA) solutions that have been around for a long time. I called these solutions “the elders.” Some of these solutions (like replication) are heavily used today […]

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Group Replication: The Sweet and the Sour

 | August 1, 2017 |  Posted In: GTID, High-availability, InnoDB, MySQL, Percona XtraDB Cluster, PMM

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 […]

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Faster Node Rejoins with Improved IST performance

and  | July 21, 2017 |  Posted In: MySQL, Percona XtraDB Cluster

IST Performance

In this blog, we’ll look at how improvements to Percona XtraDB Cluster improved IST performance. Introduction Starting in version 5.7.17-29.20 of Percona XtraDB Cluster significantly improved performance. Depending on the workload, the increase in throughput is in the range of 3-10x. (More details here). These optimization fixes also helped improve IST (Incremental State Transfer) performance. This […]

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Differences in PREPARE Statement Error Handling with Binary and Text Protocol (Percona XtraDB Cluster / Galera)

 | July 5, 2017 |  Posted In: Insight for DBAs, MySQL, Percona XtraDB Cluster

PREPARE Statement

In this blog, we’ll look at the differences in how a PREPARE statement handles errors in binary and text protocols. Introduction Since Percona XtraDB Cluster is a multi-master solution, when an application executes conflicting workloads one of the workloads gets rolled back with a DEADLOCK error. While the same holds true even if you fire […]

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Percona XtraDB Cluster, Galera Cluster, MySQL Group Replication High Availability Webinar: Q & A

and  | June 23, 2017 |  Posted In: Group Replication, High-availability, InnoDB, Percona XtraDB Cluster

High Availability Webinar

Thank you for attending the Wednesday, June 21, 2017 high availability webinar titled Percona XtraDB Cluster, Galera Cluster, MySQL Group Replication. In this blog, I will provide answers to the Q & A for that webinar. You can find the slides and a recording of the webinar here. Is there a minimum MySQL server version for […]

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