Why do I spend time blogging about security frameworks? Because, although there are some resources available on the Web, none apply to Percona XtraDB Cluster (PXC) directly. Actually, I rarely encounter a MySQL setup where SELinux is enforced and never when Percona XtraDB Cluster (PXC) or another Galera replication implementation is used. As we’ll […]Read more
This post is a hands-on look at ZFS with MySQL.
In my previous post, I highlighted the similarities between MySQL and ZFS. Before going any further, I’d like you to be able to play and experiment with ZFS. This post shows you how to configure ZFS with MySQL in a minimalistic way on either Ubuntu […]
In this blog post, I’ll look at MySQL and Linux context switches and what is the normal number per second for a database environment.
You might have heard many times about the importance of looking at the number of context switches to indicate if MySQL is suffering from the internal contention issues. I often […]
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 […]
This post is a continuance of my Docker series, and examines Running Percona XtraDB Cluster nodes with Linux Network namespaces on the same host.
In this blog I want to look into a lower-level building block: Linux Network Namespace.
The same as with cgroups, Docker uses Linux Network Namespace for resource isolation. I was looking into cgroup […]