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Overview of Different MySQL Replication Solutions

 | February 7, 2017 |  Posted In: MySQL, Percona XtraBackup, Percona XtraDB Cluster, Replication, Solutions Engineering

MySQL Replication

In this blog post, I will review some of the MySQL replication concepts that are part of the MySQL environment (and Percona Server for MySQL specifically). I will also try to clarify some of the misconceptions people have about replication. Since I’ve been working on the Solution Engineering team, I’ve noticed that – although information […]

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Percona Software News and Roadmap Update with CEO Peter Zaitsev: Q1 2017

 | January 27, 2017 |  Posted In: Docker, Events and Announcements, MongoDB, MySQL, Percona MySQL Consulting, Percona MySQL Support, Percona Software, Percona Support, Percona XtraBackup, Percona XtraDB Cluster, PMM, Technical Webinars, XtraDB Cluster

Percona Software News and Roadmap Update

This blog post is a summary of the webinar Percona Software News and Roadmap Update – Q1 2017 given by Peter Zaitsev on January 12, 2017. Over the last few months, I’ve had the opportunity to meet and talk with many of Percona’s customers. I love these meetings, and I always get a bunch of questions […]

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Galera warning “last inactive check”

 | June 2, 2016 |  Posted In: Percona XtraDB Cluster, XtraDB Cluster

Managing Replication

In this post, we’ll discuss the Galera warning “last inactive check” and what it means. Problem I’ve been working with Percona XtraDB Cluster quite a bit recently, and have been investigating various warnings. I came across this one today: [Warning] WSREP: last inactive check more than PT1.5S ago (PT1.51811S), skipping check This warning is related […]

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Accessing Percona XtraDB Cluster nodes in parallel from PHP using MySQL asynchronous queries

 | March 6, 2013 |  Posted In: MySQL, XtraDB Cluster

This post is followup to Peter’s recent post, “Investigating MySQL Replication Latency in Percona XtraDB Cluster,” in which a question was raised as to whether we can measure latency to all nodes at the same time. It is an interesting question: If we have N nodes, can we send queries to nodes to be executed in […]

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Released: Percona Toolkit 2.1.5

 | October 12, 2012 |  Posted In: Events and Announcements, Percona Software, XtraDB Cluster

Although Percona Toolkit 2.1.4 was recently released, we soon after found and fixed a couple of bugs concerning how pt-table-checksum works with Percona XtraDB Cluster: pt-table-checksum 2.1.4 doesn’t detect diffs on Percona XtraDB Cluster nodes pt-table-checksum 2.1.4 miscategorizes Percona XtraDB Cluster-based slaves as cluster nodes There was also a bug affecting pt-table-sync –version-check, and the […]

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Announcing Percona XtraBackup 2.0 Beta 1

 | February 8, 2012 |  Posted In: Percona Software

Percona is glad to announce our first Beta release of what will become Percona XtraBackup 2.0. We’re releasing this beta to encourage testing of our upcoming 2.0 release of Percona XtraBackup. Since this is a beta release, you should not rely on it for production workloads – use the stable 1.6 series of Percona XtraBackup […]

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