August 22, 2014

Architecture and Design of MySQL-powered applications: June 11 Webinar

The architecture of MySQL-powered applications is one of my favorite topics to talk about. It’s a very important topic because if you do not get the architecture right then you’re very likely to fail with your project – either from the standpoint of failing with performance, high availability or security requirements… or failing to deliver […]

Running MySQL 5.6 on Amazon RDS: Webinar followup questions answered

Thanks to everyone who attended last week’s webinar, Running MySQL 5.6 on Amazon RDS.” If you weren’t able to attend, the recording and slides are available for viewing/download (or, if you were able to attend and just want to see it again). I’ve also answered the questions I didn’t have a chance to field during […]

Finally. How to verify if all MySQL records were recovered

After nearly every recovery case the same question arises: How many MySQL records were recovered and how many were lost. Until now there was no way to answer the question without manual investigation. As it turned out a small change can make a big difference. There are two ways to know how many records an […]

A closer look at the MySQL ibdata1 disk space issue and big tables

A recurring and very common customer issue seen here at the Percona Support team involves how to make the ibdata1 file “shrink” within MySQL. I can only imagine there’s a degree of regret by some of the InnoDB architects on their design decisions regarding disk-space management by the shared tablespace* because this has been a big […]

5 great new features from Percona Cloud Tools for MySQL

It’s been three months since we announced anything for Percona Cloud Tools, not because we’ve been idle but because we’ve been so busy the time flew by!  Here’s the TL;DR to pique your interest: EXPLAIN queries in real-time through the web app Query Analytics for Performance Schema Dashboards: customizable, shared groups of charts Install and […]

Measuring failover time for ScaleArc load balancer

ScaleArc hired Percona to benchmark failover times for the ScaleArc database traffic management software in different scenarios. We tested failover times for various clustered setups, where ScaleArc itself was the load balancer for the cluster. These tests complement other performance tests on the ScaleArc software – sysbench testing for latency and testing for WordPress acceleration. […]

Getting my hands dirty on an OpenStack lab

Like you all may know, OpenStack is currently one of the coolest open source projects, so I was thrilled when I was asked to manage the deployment of an OpenStack lab for internal Percona use. Starting from basically zero, I created tasks in our Jira and assigned them to a pool of volunteer consultants. As usual in […]

Benchmarking IBM eXFlash™ DIMM with sysbench fileio

Diablo Technologies engaged Percona to benchmark IBM eXFlash™ DIMMs in various aspects. An eXFlash™ DIMM itself is quite an interesting piece of technology. In a nutshell, it’s flash storage, which you can put in the memory DIMM slots. Enabled by Diablo’s Memory Channel Storage™ technology, this practically means low latency and some unique performance characteristics. These […]

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 […]

Q&A: Putting MySQL Fabric to use

Martin Arrieta and I gave an online presentation last week on “Putting MySQL Fabric To Use.” If you missed it, you can find a recording and the slides here, and the vagrant environment we used plus a transcript of the commands we ran here (be sure to check out the ‘sharding’ branch, as that’s what we used […]