Quick intro to Graphite
What is Graphite Graphite is an app that does three things: It receives monitoring data from other agents, saves it efficiently into the database, and displays data as graphs …
Author: pav
Quick intro to rrdtool
I mentioned in previous post that collectd uses rrdtool for saving its data by default. It results .rrd file for each metric, which later can be rendered using very …
Host monitoring with collectd
Distributed apps introduce a challenge that we usually could avoid in monolithic ones: how do we say that app is performing well? I’m not talking about it …
Highly available Kafka cluster in Docker
Up until now we’ve been experimenting with Apache Kafka, a tool build with cluster and high availability in mind, but using exactly one host and availability settings …
“Hello world” with Apache Kafka
So it’s time to send some data bits through Apache Kafka. But first, as usual, we need to install it first. Installing Kafka is so …
Quick intro to Apache Kafka
What is Apache Kafka Official definition of Apache Kafka is distributed streaming platform, which starts to make sense only after reading at least few chapters …
Building RabbitMQ Cluster
As I promised last time, it’s time to check out RabbitMQ feature we can consider advanced – clustering. RabbitMQ cluster is a set of individual …
Quick intro to RabbitMQ
RabbitMQ is an example of full blown Message Queue that somehow remained simple to use. Unlike ZeroMQ, which is embeddable into the services that use it, RabbitMQ …
Quick intro to Windows containers
It finally happened. With release of Windows Server 2016 you can run Docker containers with Windows inside. There’s no Virtual Machine hiding somewhere in order for that …
Using ZeroMQ with Docker
Last time we built three client-server Node.js apps that were talking to each other using ZeroMQ. However, running both client and server on localhost is a little bit lame. Let’s …