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Tuning Linux for MongoDB

 | August 12, 2016 |  Posted In: MongoDB

tuning Linux for MongoDB

In this post, we’ll discuss tuning Linux for MongoDB deployments. By far the most common operating system you’ll see MongoDB running on is Linux 2.6 and 3.x. Linux flavors such as CentOS and Debian do a fantastic job of being a stable, general-purpose operating system. Linux runs software on hardware ranging from tiny computers like the […]

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Docker MySQL Replication 101

 | March 30, 2016 |  Posted In: Cloud and MySQL, Docker, High-availability, MySQL, Percona Server, Replication


In this blog post, we’ll discuss some of the basics regarding Docker MySQL replication. Docker has gained widespread popularity in recent years as a lightweight alternative to virtualization. It is ideal for building virtual development and testing environments. The solution is flexible and seamlessly integrates with popular CI tools.   This post walks through the setup of MySQL […]

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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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Log rotate and the (deleted) MySQL log file mystery

 | November 12, 2014 |  Posted In: Insight for DBAs, MariaDB, MySQL, Percona Monitoring Plugins, Percona Server

Did your logging stop working after you set up logrotate? Then this post might be for you. Some time ago, Peter Boros wrote about Rotating MySQL Slow Logs safely, explaining the steps of a “best practice” log rotate/archive. This post will add more info about the topic. When running logrotate for MySQL (after proper setting […]

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Linux performance tuning tips for MySQL

 | December 7, 2013 |  Posted In: MySQL

Because most MySQL production systems probably run on Linux, I’ve decided to place the most important Linux tuning tips that will help improve MySQL performance. There is nothing new here, most of them are well known, however, I’ve decided to collect those Linux configuration tips into 1 blog post. Filesystem ext4 (or xfs), mount with […]

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ZFS on Linux and MySQL

 | May 24, 2013 |  Posted In: Hardware and Storage, Insight for DBAs, MySQL

I am currently working with a large customer and I am involved with servers located in two data centers, one with Solaris servers and the other one with Linux servers. The Solaris side is cleverly setup using zones and ZFS and this provides a very low virtualization overhead. I learned quite a lot about these […]

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