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TokuDB tips: MySQL backups

 | July 15, 2014 |  Posted In: MySQL, Percona Server for MySQL, TokuDB

In my recent post, “TokuDB gotchas: slow INFORMATION_SCHEMA TABLES,” I saw a couple questions and tweets asking if we use TokuDB in production. Actually I mentioned it in that post and we also blogged about it in a couple of other recent posts: Getting to know TokuDB for MySQL Percona Server with TokuDB: Packing 15TB […]

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Simple MySQL Master HA with mysqlnd_ms

 | July 14, 2014 |  Posted In: Insight for Developers, MySQL

I had the pleasure of presenting to the PHP Users Group Philippines a few days ago about mysqlnd_ms. The mysqlnd plugin, MySQL Master Slave, is a transparent layer on top of mysqlnd extension. This allows you to do read-write splitting and slave reads load balancing without needing to change anything from your application. But do […]

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Percona Toolkit 2.2.9 is now available

 | July 10, 2014 |  Posted In: Events and Announcements, MySQL, Percona Software, Percona Toolkit

Percona is glad to announce the release of Percona Toolkit 2.2.9 on July 10, 2014 (downloads are available here and from the Percona Software Repositories). This release is the current GA (Generally Available) stable release in the 2.2 series. Bugs Fixed: Fixed bug 1335960: pt-query-digest could not parse the binlogs from MySQL 5.6 because the binlog format was changed. […]

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TokuDB gotchas: slow INFORMATION_SCHEMA TABLES

 | July 9, 2014 |  Posted In: Insight for DBAs, MySQL, Percona Cloud Tools, Percona Server for MySQL, Percona Software, TokuDB

We are using Percona Server + TokuDB engine extensively in Percona Cloud Tools and getting real usage operational experience with this engine. So I want to share some findings we came across, in hope it may help someone in their work with TokuDB. So, one problem I faced is that SELECT * FROM INFORMATION_SCHEMA.TABLES is […]

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Check for MySQL slave lag with Percona Toolkit plugin for Tungsten Replicator

 | July 9, 2014 |  Posted In: Insight for DBAs, MySQL, Percona Toolkit

A while back, I made some changes to the plugin interface for pt-online-schema-change which allows custom replication checks to be written. As I was adding this functionality, I also added the –plugin option to pt-table-checksum. This was released in Percona Toolkit 2.2.8. With these additions, I spent some time writing a plugin that allows Percona […]

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TIMESTAMP Columns, Amazon RDS 5.6, and You

 | July 8, 2014 |  Posted In: Cloud and MySQL, Cloud and NoSQL, Insight for DBAs, Insight for Developers, MySQL

This comes from an issue that I worked on recently, wherein a customer reported that their application was working fine under stock MySQL 5.6 but producing erroneous results when they tried running it on Amazon RDS 5.6. They had a table which, on the working server, contained two TIMESTAMP columns, one which defaulted to CURRENT_TIMESTAMP […]

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Failover with the MySQL Utilities: Part 2 – mysqlfailover

 | July 3, 2014 |  Posted In: Insight for DBAs, MySQL

In the previous post of this series we saw how you could use mysqlrpladmin to perform manual failover/switchover when GTID replication is enabled in MySQL 5.6. Now we will review mysqlfailover (version 1.4.3), another tool from the MySQL Utilities that can be used for automatic failover. Summary mysqlfailover can perform automatic failover if MySQL 5.6’s […]

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Percona Server 5.5.38-35.2 is now available

 | July 2, 2014 |  Posted In: Events and Announcements, MySQL, Percona Server for MySQL, Percona Software

Percona is glad to announce the release of Percona Server 5.5.38-35.2 on July 2, 2014 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.38, including all the bug fixes in it, Percona Server 5.5.38-35.2 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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