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Introducing TokuMX Transactions for MongoDB Applications

 | October 31, 2013 |  Posted In: Tokutek, TokuView

Since our initial release last summer, TokuMX has supported fully ACID and MVCC multi-statement transactions. I’d like to take this post to explain exactly what we’ve done and what features are now available to the user. But before beginning, an important note: we have implemented this for non-sharded clusters only. We do not support distributed […]

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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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InnoDB adaptive flushing in MySQL 5.6: checkpoint age and io capacity

 | October 30, 2013 |  Posted In: MySQL, Percona Server

In MySQL 5.6 InnoDB has a dedicated thread (page_cleaner) that’s responsible for performing flushing operations. Page_cleaner performs flushing of the dirty pages from the buffer pool based on two factors: – access pattern  –  the least recently used pages will be flushed by LRU flusher from LRU_list when buffer pool has no free pages anymore; […]

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Percona Server 5.5.34-32.0 is now available

 | October 28, 2013 |  Posted In: Events and Announcements, MySQL, Percona Server, Percona Software

Percona is glad to announce the release of Percona Server 5.5.34-32.0 on October 28th, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.34, including all the bug fixes in it, Percona Server 5.5.34-32.0 is now the current stable release in the 5.5 series. All of Percona‘s software is open-source and free, all the details of the release […]

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Percona Server 5.1.72-14.10 is now available

 | October 28, 2013 |  Posted In: Events and Announcements, MySQL, Percona Server, Percona Software

Percona is glad to announce the release of Percona Server 5.1.72-14.10 on October 28th, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.1.72, including all the bug fixes in it, Percona Server 5.1.72-14.10 is now the current stable release in the 5.1 series. All of Percona‘s software is open-source and free, all the details of the release […]

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The Genius of MongoDB

 | October 24, 2013 |  Posted In: Tokutek, TokuView

Getting ready for tomorrow’s MongoDB Boston conference (come say hi if you see us!), I’m spending some time thinking about a post last week by Bryce Nyeggen: The Genius and Folly of MongoDB. It hits home in a lot of ways for me and the whole TokuMX team, because it mimics exactly the impetus we […]

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