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Using Cgroups to Limit MySQL and MongoDB memory usage

 | July 1, 2015 |  Posted In: InnoDB, MongoDB, MySQL

Quite often, especially for benchmarks, I am trying to limit available memory for a database server (usually for MySQL, but recently for MongoDB also). This is usually needed to test database performance in scenarios with different memory limits. I have physical servers with the usually high amount of memory (128GB or more), but I am […]

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MongoDB with Percona TokuMXse – experimental build RC5 is available!

 | May 8, 2015 |  Posted In: MongoDB, MySQL

While our engineering team is working on finalizing the TokuMXse storage engine, I want to provide an experimental build that you can try and test MongoDB 3.0 with our storage engine. It is available here percona.com/downloads/TESTING/Percona-TokuMXse-rc5/percona-tokumxse-3.0.3pre-rc5.tar.gz To start MongoDB with TokuMXse storage engine use:

I am looking for your feedback!

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Reference architecture for a write-intensive MySQL deployment

 | July 22, 2014 |  Posted In: Insight for DBAs, MySQL, Percona Cloud Tools, Percona Server, TokuDB

We designed Percona Cloud Tools (both hardware and software setup) to handle a very high-intensive MySQL write workload. For example, we already observe inserts of 1bln+ datapoints per day. So I wanted to share what kind of hardware we use to achieve this result. Let me describe what we use, and later I will explain […]

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TokuDB tips: MySQL backups

 | July 15, 2014 |  Posted In: MySQL, Percona Server, TokuDB

In my recent post, “TokuDB gotchas: slow INFORMATION_SCHEMA TABLES,” I saw a couple questions and tweets asking if we use TokuDB in production. Actually I mentioned it in that post and we also blogged about it in a couple of other recent posts: Getting to know TokuDB for MySQL Percona Server with TokuDB: Packing 15TB […]

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TokuDB gotchas: slow INFORMATION_SCHEMA TABLES

 | July 9, 2014 |  Posted In: Insight for DBAs, MySQL, Percona Cloud Tools, Percona Server, Percona Software, TokuDB

We are using Percona Server + TokuDB engine extensively in Percona Cloud Tools and getting real usage operational experience with this engine. So I want to share some findings we came across, in hope it may help someone in their work with TokuDB. So, one problem I faced is that SELECT * FROM INFORMATION_SCHEMA.TABLES is […]

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“How to monitor MySQL performance” with Percona Cloud Tools: June 25 webinar

 | June 18, 2014 |  Posted In: Insight for DBAs, MySQL, Percona Cloud Tools, Technical Webinars

We recently released a new version of Percona Cloud Tools with MySQL monitoring capabilities. Join me June 25 and learn the details about all of the great new features inside Percona Cloud Tools – which is now free in beta. The webinar is titled “Monitoring All (Yes, All!) MySQL Metrics with Percona Cloud Tools” and begins at […]

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Why did we develop percona-agent in Go?

 | June 4, 2014 |  Posted In: Insight for Developers, MySQL, Percona Cloud Tools, Percona Server, Percona Software, Percona Toolkit, Percona XtraBackup, Percona XtraDB Cluster, Technical Webinars

We recently open-sourced our percona-agent and if you check out the source code, you’ll find that it is written in the Go programming language (aka Golang). For those not up to speed, the percona-agent is a real-time client-side agent for Percona Cloud Tools. Our requirements are quite demanding for our agents. This one is software that works […]

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