The Percona Monitoring Plugins (PMP) provide some free tools to make it easier to monitor PXC/Galera nodes. Monitoring broadly falls into two categories: alerting and historical graphing, and the plugins support Nagios and Cacti, respectively, for those purposes. Graphing An update to the PMP this summer (thanks to our Remote DBA team for supporting this!) added a Galera-specific host template that […]
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Last week I helped 2 different customers with infinite replication loops. I decided to write a blog post about these infinite loop of binary log statements in MySQL Replication. To explain what they are, how to identify them… and how to fix them.
This is part two in my six part series on business intelligence, with a focus on OLAP analysis. Part 1 – Intro to OLAP Identifying the differences between a data warehouse and a data mart. (this post) Introduction to MDX and the kind of SQL which a ROLAP tool must generate to answer those queries. […]
Percona has been building and contributing to open-source software since the company was founded, and individually we’ve been doing the same thing for many years.Â We think it’s a huge value for our customers and the community. We’re involved in a dozen or so open-source projects, but our three core efforts at the moment are […]
Percona’s patches are now available to a wider audience via OurDelta, a community effort to provideÂ builds with features (Percona patches, Google patches, etc) and storage engines (PBXT, Sphinx, etc) that aren’t in the main MySQL server. Arjen Lentz is really the brainchild behind this. Kudos Arjen! What does this mean for the Percona patches? […]