Tag: docker
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Bringing the light of monitoring with Prometheus
Not a long time ago we discussed how to build a Mesos cluster. Today I want to speak about how to monitor it. This question might be very simple in case of monolithic applications, but when we speak about dozens (or even more than 1) of servers, the problem becomes…
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Analyzing java memory usage in a Docker container
A few weeks ago I faced an interesting problem trying to analyze a memory consumption in my Java application (Spring Boot + Infinispan) running under Docker. The Xmx parameter was set to 256m, but the Docker monitoring tool displayed almost two times more used memory. Below we will try to understand…
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MicroServices and Docker
Last week I made a little presentation (a kind of overview) on using Docker and MicroServices in a real production project. Today I want to share some of its slides with you. Why? Because I spent the whole day making them! :) Plus, I really do believe it might be useful…
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Mesos as a Docker containers farm
When a developer starts his/her first microservice application, he/she usually doesn't worry about such an interesting thing like Orchestration. All he/she you have are 2-4 servers and Ansible scripts which solve most of the problems. But once your application becomes bigger or you decide to use one…
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Microservices monitoring with Dashing and Elastic
The key problem with all the monitoring systems which I've ever seen is a fact that you need a person who monitors them. But what if you don't have one or you don't want him to spent all his time staring into the logs? Let's say you've just set up…