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Stuff The Internet Says On Scalability For April 17th, 2015

Hey, it's HighScalability time: A fine tribute on Silicon Valley & hilarious formula evaluating Peter Gregory's positive impact on humanity. 118/196 : nations becoming democracies since mid19th century; $70K : nice minimum wage; 70 million...Show More Summary

Profiling MySQL queries from Performance Schema

When optimizing queries and investigating performance issues, MySQL comes with built in support for profiling queries aka [crayon-552ff9e025876245998318-i/] . This is already awesome and simple to use, but why the PERFORMANCE_SCHEMAShow More Summary

Paper: Large-scale cluster management at Google with Borg

Joe Beda (@jbeda): Borg paper is finally out. Lots of reasoning for why we made various decisions in #kubernetes. Very exciting. The hints and allusions are over. We now have everything about Google's long rumored Borg project in one...Show More Summary

Checking table definition consistency with mysqldiff

Data inconsistencies in replication environments are a pretty common. There are lots of posts that explain how to fix those using pt-table-checksum and pt-table-sync. Usually we only care about the data but from time to time we receive...Show More Summary

Full Stack Tuning for a 100x Load Increase and 40x Better Response Times

A world that wants full stack developers also needs full stack tuners. That tuning process, or at least the outline of a full stack tuning process is something Ronald Bradford describes in not quite enough detail in Improving performance...Show More Summary

Team Tokutek is proud to join Team Percona!

If you haven’t already heard, on the Tuesday morning of the 2015 Percona Live MySQL Conference and Expo it was announced that Tokutek is now part of the Percona family.  This means TokuDB® for MySQL, and TokuMX™ for MongoDB are Percona products now; and that the Tokutek  team is now part of the Percona team. Show More Summary

Tokutek now part of the Percona family

It is my pleasure to announce that Percona has acquired Tokutek and will take over development and support for TokuDB® and TokuMX™ as well as the revolutionary Fractal Tree® indexing technology that enables those products to deliver improved performance, reliability and compression for modern Big Data applications. Show More Summary

Percona Toolkit 2.2.14 is now available

Percona is pleased to announce the availability of Percona Toolkit 2.2.14.  Released April 14, 2015. Percona Toolkit is a collection of advanced command-line tools to perform a variety of MySQL server and system tasks that are too difficult or complex for DBAs to perform manually. Show More Summary

Sponsored Post: OpenDNS, MongoDB, Internap, Aerospike, Nervana, SignalFx, InMemory.Net, Couchbase, VividCortex, Transversal, MemSQL, Scalyr, AiScaler, AppDynamics, ManageEngine, Site24x7

Who's Hiring? The Cloud Platform team at OpenDNS is building a PaaS for our engineering teams to build and deliver their applications. This is a well rounded team covering software, systems, and network engineering and expect your code to cut across all layers, from the network to the application. Show More Summary

Three Fast Data Application Patterns

This is guest post by John Piekos, VP Engineering at VoltDB. I understand this is a little PRish, but I think the ideas are solid. The focus of many developers and architects in the past few years has been on Big Data, specifically mining...Show More Summary

Staying ahead of MySQL operational problems at Percona Live

I’ve started my long journey from Florianópolis, Brazil, to Santa Clara, California and I type this words while waiting for a connection flight. Next Wednesday, Daniel Guzmán Burgos and I will be presenting in the Percona Live MySQL Conference and Expo (PLMCE). Show More Summary

Stuff The Internet Says On Scalability For April 10th, 2015

Hey, it's HighScalability time: Beautiful, isn't it? It's the cerebral cortex of a rat that is organized like a mini-Internet. $47 million: value of Cannabis per square km; $3.7 trillion: worldwide IT spending in 2014; $41B: spend on...Show More Summary

Measuring the impact of tcpdump on Very Busy Hosts

A few years back Deva wrote about how to use tcpdump on very busy hosts. That post sparked my interest about exploring how to measure the impact of tcpdump on very busy hosts. In this post, I wanted to highlight how much of an impact...Show More Summary

InnoDB locks and deadlocks with or without index for different isolation level

Recently, I was working on one of the issue related to locks and deadlocks with InnoDB tables and I found very interesting details about how InnoDB locks and deadlocks works with or without index for different Isolation levels. Here,...Show More Summary

pquery binaries with statically included client libs now available!

After we released pquery to the community, and as we started logging bug reports with pquery testcases, it quickly became clear that pquery binaries with statically compiled-in client libraries would be of great convenience, both for ourselves and for the community. Show More Summary

The Black Magic of Systematically Reducing Linux OS Jitter

How do you systematically identify the sources of jitter and remove them one by one in a low-latency trading system? That was the question asked on the mechanical-sympathy email list. Gil Tene, Vice President of Technology and CTO, Co-Founder,...Show More Summary

More on OpenStack Live and our talks at OpenStack Summit Vancouver

In April and May, Percona will hold and participate in two OpenStack events: OpenStack Live and the OpenStack Summit. Join our talks at these events in Santa Clara and Vancouver for new insights into the MySQL operations of the core of OpenStack as well as the latest information on MySQL guest instances. Show More Summary

mysql-cli on Kickstarter

Open Query is supporting the mysql-cli Kickstarter project (for MySQL and MariaDB) by Amjith Ramanujam who already successfully completed a similar tool for PostgreSQL. It is a new MySQL client with Auto-Completion and Syntax Highlighting. From the info provided, it’s Python based, thus portable, and can be installed without root access. Show More Summary

More on (transactional) MySQL metadata locks

Two years ago Ovais Tariq had explained in detail what kinds of problems existed before MySQL introduced metadata locks in 5.5.3 and how these locks help to prevent them. Still, some implications of metadata locking in MySQL remain unclear for users – DBAs and even software developers that target recent MySQL versions. Show More Summary

What do we know about how Meerkat Works?

“The future is live. The future is real-time. The future is now.” I wrote that in 2010 about live video innovator Justin.tv (which pivoted into Twitch.tv ). Five years later it appears the future is now once again. Meerkat has burst on the scene with a viral vengeance, so I became curious. Show More Summary

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