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5 great new features from Percona Cloud Tools for MySQL

 | August 19, 2014 |  Posted In: Cloud and NoSQL, Insight for DBAs, MySQL, Percona Cloud Tools

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 […]

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Measuring failover time for ScaleArc load balancer

 | August 19, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL, Percona MySQL Consulting, Percona Software, Percona XtraDB Cluster

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. […]

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Getting my hands dirty on an OpenStack lab

 | August 18, 2014 |  Posted In: MySQL, OpenStack

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 […]

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Make a difference! See the world! Speak at Percona Live London; Santa Clara!

 | August 15, 2014 |  Posted In: Events and Announcements, Insight for DBAs, Insight for Developers, MySQL, Percona Live

Twice each year members of the global open-source community converge on London in November and Santa Clara in April to network with, and learn from, some of the world’s most experienced and accomplished system architects, developers and DBAs. And now it’s time for YOU to give back to this diverse and growing MySQL community. The […]

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Benchmarking IBM eXFlash™ DIMM with sysbench fileio

 | August 12, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL

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 […]

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Release Candidate Packages for Red Hat Enterprise Linux 7 and CentOS 7 now available

 | August 8, 2014 |  Posted In: Events and Announcements, MySQL, Percona Server for MySQL, Percona Software, Percona Toolkit, Percona XtraBackup, Percona XtraDB Cluster

The Percona team is pleased to announce the Release Candidate for Percona Software packages for Red Hat Enterprise Linux 7 and CentOS 7. With more than 1 million downloads and thousands of production deployments at small, mid-size and large enterprises, Percona software is a industry leading distribution that enhances the performance, scale, management and diagnosis […]

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Percona Toolkit 2.2.10 is now available

 | August 8, 2014 |  Posted In: Events and Announcements, MySQL, Percona Software, Percona Toolkit

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 […]

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Explaining Ark Part 4: Fixing Majority Write Concern

 | August 7, 2014 |  Posted In: Tokutek, TokuView

This is the fourth post in a series of posts that explains Ark, a consensus algorithm we’ve developed for TokuMX and MongoDB to fix known issues in elections and failover. The tech report we released describes the algorithm in full detail. These posts are a layman’s explanation. This post assumes the reader is familiar with […]

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An Updated Description of Clustering Keys for TokuDB

 | August 6, 2014 |  Posted In: Tokutek, TokuView

Covering indexes can result in orders of magnitude performance improvements for queries. Bradley’s presentation on covering indexes describes what a covering index is, how it can effect performance, and why it works. However, the definition of a covering index can get cumbersome since MySQL limits the number of columns in a key to 16 (32 on […]

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