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Followup questions to ‘What’s new in Percona XtraDB Cluster 5.6’ webinar

 | February 7, 2014 |  Posted In: MySQL, MySQL Webinars, Percona XtraDB Cluster

Thanks to all who attended my webinar yesterday.  The slides and recording are available on the webinar’s page.  I was a bit overwhelmed with the amount of questions that came in and I’ll try to answer them the best I can here. Q: Does Percona XtraDB Cluster support writing to multiple master? Yes, it does.  However, […]

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Percona XtraDB Cluster/ Galera with Percona Monitoring Plugins

 | October 31, 2013 |  Posted In: MySQL, Percona Monitoring Plugins, Percona XtraDB Cluster, XtraDB Cluster

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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Measuring Max Replication Throughput on Percona XtraDB Cluster with wsrep_desync

 | October 17, 2013 |  Posted In: MySQL, Percona XtraDB Cluster

Checking throughput with async MySQL replication Replication throughput is the measure of just how fast the slaves can apply replication (at least by my definition).  In MySQL async replication this is important to know because the single-threaded apply nature of async replication can be a write performance bottleneck.  In a production system, we can tell […]

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