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Optimizing MySQL for Zabbix
This blog post was inspired by my visit at the annual Zabbix Conference in Riga, Latvia this year, where I gave a couple of talks on MySQL and beyond.It was a two day single-track event with some 200...
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Q&A: Percona XtraDB Cluster as a MySQL HA solution for OpenStack
Thanks to all who attended my Nov. 12 webinar titled, “Percona XtraDB Cluster as a MySQL HA Solution for OpenStack.” I had several questions which I covered at the end and a few that I didn’t. You can...
View ArticleRDS for Aurora unveiled at AWS re:Invent
One of the big announcements at the Amazon Web Services re:Invent 2014 conference this week was the unveiling of Aurora. The result of years of internal work, Aurora, currently in preview, is a MySQL...
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Typical misconceptions on Galera Replication for MySQL
Even if a Galera node looks like a regular MySQL server, the underlying replication mechanism is very different. This implies some changes in the way you have to configure the Galera nodes. Here are...
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MySQL’s INNODB_METRICS table: How much is the overhead?
Starting with MySQL 5.6 there is an INNODB_METRICS table available in INFORMATION_SCHEMA which contains some additional information than provided in the SHOW GLOBAL STATUS output – yet might be more...
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Percona XtraDB Cluster 5.6.21-25.8 is now available
Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on Novmeber 25th 2014. Binaries are available from downloads area or from our software repositories. We’re also happy to...
View ArticleAuto-bootstrapping an all-down cluster with Percona XtraDB Cluster
One new feature in Percona XtraDB Cluster (PXC) in recent releases was the inclusion of the ability for an existing cluster to auto-bootstrap after an all-node-down event. Suppose you lose power on...
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Streamlined Percona XtraDB Cluster (or anything) testing with Consul and Vagrant
Introducing ConsulI’m always interested in what Mitchell Hashimoto and Hashicorp are up to, I typically find their projects valuable. If you’ve heard of Vagrant, you know their work.I recently became...
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MySQL 5.6 Transportable Tablespaces best practices
In MySQL 5.6 Oracle introduced a Transportable Tablespace feature (copying tablespaces to another server) and Percona Server adopted it for partial backups which means you can now take individual...
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Recover MySQL root password without restarting MySQL (no downtime!)
Disclaimer: Do this at your own risk! It doesn’t apply if you’re using Pluggable authentication and certainly won’t be usable if/when MySQL system tables are stored on InnoDBRecover your root password...
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OpenStack Live tutorials & sessions to bring OpenStack users up to speed
I attended the OpenStack Paris summit last month (Percona had a booth there). It was my first opportunity to meet face-to-face with this thriving community of developers and users. I’m proud that...
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InnoDB’s multi-versioning handling can be Achilles’ heel
I believe InnoDB storage engine architecture is great for a lot of online workloads, however, there are no silver bullets in technology and all design choices have their trade offs. In this blog post...
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Store UUID in an optimized way
A few years ago Peter Zaitsev, in a post titled “To UUID or not to UUID,” wrote: “There is timestamp based part in UUID which has similar properties to auto_increment and which could be used to have...
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Django with time zone support and MySQL
This is yet another story of Django web-framework with time zone support and pain dealing with python datetimes and MySQL on the backend. In other words, offset-naive vs offset-aware...
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Percona Server 5.5.41-37.0 is now available
Percona is glad to announce the release of Percona Server 5.5.41-37.0 on January 9, 2015. Based on MySQL 5.5.41, including all the bug fixes in it, Percona Server 5.5.41-37.0 is now the current stable...
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Percona Server 5.6.22-71.0 is now available
Percona is glad to announce the release of Percona Server 5.6.22-71.0 on January 12, 2015. Download the latest version from the Percona web site or from the Percona Software Repositories.Based on MySQL...
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Percona XtraBackup 2.2.8 is now available
Percona is glad to announce the release of Percona XtraBackup 2.2.8 on January 14, 2015. Downloads are available from our download site or Percona Software Repositories.Percona XtraBackup enables...
View ArticleIdentifying useful info from MySQL row-based binary logs
As a MySQL DBA/consultant, it is part of my job to decode the MySQL binary logs – and there are a number of reasons for doing that. In this post, I’ll explain how you can get the important information...
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Importing big tables with large indexes with Myloader MySQL tool
Mydumper is known as the faster (much faster) mysqldump alternative. So, if you take a logical backup you will choose Mydumper instead of mysqldump. But what about the restore? Well, who needs to...
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Percona University: Back to school Feb. 12 in Raleigh, N.C.
Percona CEO Peter Zaitsev leads a track at the inaugural Percona University event in Raleigh, N.C. on Jan. 29, 2013.About two years ago we held our first-ever Percona University event in Raleigh, N.C....
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