Search Results for: 10

MySQL and OpenStack deep dive: Dec. 10 webinar

Fact: MySQL is the most commonly used database in OpenStack deployments. Of course that includes a number of MySQL variants – standard MySQL by Oracle, MariaDB, Percona Server, MySQL Galera, Percona XtraDB Cluster, etc. However, there are many misconceptions and myths around the pros and cons of these MySQL flavors. Join me and my friend […]

More then 1000 columns – get transactional with TokuDB

Recently I encountered a specific situation in which a customer was forced to stay with the MyISAM engine due to a legacy application using tables with over 1000 columns. Unfortunately InnoDB has a limit at this point. I did not expect to hear this argument for MyISAM. It is usually about full text search or […]

MySQL 101: Monitor Disk I/O with pt-diskstats

Here on the Percona Support team we often ask customers to retrieve disk stats to monitor disk IO and to measure block devices iops and latency. There are a number of tools available to monitor IO on Linux. iostat is one of the popular tools and Percona Toolkit, which is free, contains the pt-diskstats tool […]

Migrating to Percona XtraDB Cluster 2014 edition: Sept. 10 MySQL webinar

Join me online next week (September 10 at 10 a.m. PDT) for my live webinar on Migrating to Percona XtraDB Cluster.  This was a popular webinar that I gave a few years ago, so I’m doing it again with updates for Percona XtraDB Cluster 5.6 (PXC) and all the latest in the Galera world. This webinar […]

Percona Toolkit 2.2.10 is now available

Percona is glad to announce the release of Percona Toolkit 2.2.10 on August 8, 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 1287253: pt-table-checksum would exit with error if it would encounter deadlock when doing checksum. This was […]

DBaaS, OpenStack and Trove 101: Introduction to the basics

We’ll be publishing a series of posts on OpenStack and Trove over the next few weeks, diving into their usage and purpose. For readers who are already familiar with these technologies, there should be no doubt as to why we are incredibly excited about them, but for those who aren’t, consider this a small introduction […]

Percona XtraDB Cluster 5.5.37-25.10 is now available

Percona is glad to announce the release of Percona XtraDB Cluster 5.5.37-25.10 on May 8, 2014. Binaries are available from the downloads area or from our software repositories. Based on Percona Server 5.5.37-35.0 including all the bug fixes in it, Galera Replicator 2.10 (including fixes in 2.9 and 2.10 milestones) and on wsrep API 25.10 […]

DBA 101: Sometimes forgotten functionality in the MySQL client

The MySQL client has some functionalities some of us never use. Why would you use them and what is the added value of this? Every DBA and developer has had a moment when he or she needs to connect to a MySQL database using the command line tool. Therefore I’ve written down an explanation of […]

10 MySQL settings to tune after installation

When we are hired for a MySQL performance audit, we are expected to review the MySQL configuration and to suggest improvements. Many people are surprised because in most cases, we only suggest to change a few settings even though hundreds of options are available. The goal of this post is to give you a list […]

Percona Server 5.1.72-14.10 is now available

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 […]