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October 15, 2014
Rackspace doubling-down on open-source databases, Percona Server
Founded in 1998, Rackspace has evolved over the years to address the way customers are using data – and more [...]
October 8, 2014
MySQL Replication: ‘Got fatal error 1236’ causes and cures
MySQL replication is a core process for maintaining multiple copies of data – and replication is a very important aspect [...]
October 7, 2014
MySQL ring replication: Why it is a bad option
I’ve recently worked with customers using replication rings with 4+ servers; several servers accepting writes. The idea behind this design [...]
October 3, 2014
HAProxy: Give me some logs on CentOS 6.5!
HAProxy is frequently used as a load-balancer in front of a Galera cluster. While diagnosing an issue with HAProxy configuration, [...]
September 29, 2014
MySQL & OpenStack: How to overcome issues as your dataset grows
MySQL is the database of choice for most OpenStack components (Ceilometer is a notable exception). If you start with a [...]
September 25, 2014
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 [...]
September 24, 2014
Percona Server, OpenStack and the Tesora DBaaS Platform
Percona Server and Percona XtraDB Cluster provide high-performance alternatives for MySQL users. We have also seen rapidly growing interest in [...]
September 19, 2014
MySQL Upgrade Best Practices
MySQL upgrades are necessary tasks and we field a variety of questions here at Percona Support regarding MySQL upgrade best [...]
September 18, 2014
Managing big data? Say ‘hello’ to HP Vertica
Over the past few months, I’ve seen an increase in the following use case while working on performance and schema [...]
September 17, 2014
Syncing MySQL slave table with pt-online-schema-change
I recently encountered a situation in which after running Percona Toolkit’s pt-table-checksum on a customer system, 95% of the table [...]
September 12, 2014
OpenStack Live 2015: Call for speakers open through November 9
I am proud to announce Santa Clara Convention Center in Silicon Valley. The inaugural event, OpenStack Live 2015, is April [...]
September 11, 2014
OpenStack: A MySQL DBA Perspective – Sept. 17 webinar
I’ll have the pleasure to present, next Wednesday, September 17 at 10 a.m. PDT (1 p.m. EDT) a webinar titled [...]
September 11, 2014
OpenStack users shed light on Percona XtraDB Cluster deadlock issues
I was fortunate to attend an Ops discussion about databases at the OpenStack Summit Atlanta this past May as one [...]
September 10, 2014
Generating test data from the mysql> prompt
There are a lot of tools that generate test data. Many of them have complex XML scripts or GUI interfaces [...]
September 9, 2014
Multi-Valued INSERTs, AUTO_INCREMENT & Percona XtraDB Cluster
A common migration path from standalone MySQL/Percona Server to a Percona XtraDB Cluster (PXC) environment involves some measure of time [...]
September 8, 2014
How to calculate the correct size of Percona XtraDB Cluster’s gcache
When a write query is sent to
September 4, 2014
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 [...]
September 3, 2014
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 [...]
September 3, 2014
Reducer.sh – A powerful MySQL test-case simplification/reducer tool
Let me start by saying a big “thank you” to the staff at Oracle for deciding to open source reducer.sh. [...]
September 2, 2014
Using sysbench 0.5 for performing MySQL benchmarks
Given the recent excitement & interest around OpenStack I wanted to make sure I was ready to conduct appropriate evaluations [...]