John Willis

New Dockercast episode with Ilan Rabinovitch from Datadog

In case you missed it, we launched Dockercast, the official Docker Podcast earlier this month including all the DockerCon 2016 sessions available as podcast episodes. In this podcast we talk to Ilan Rabinovitch the Director of Technical Community at Datadog.  I first met Ilan back at SCALE8X (Southern California Linux Expo) 6 years ago.  Ilan has been running SCALE since it’s inception.   As Ilan points out in the podcast, our very own Jérôme Petazzoni packed the house back at SCALE11x (2013).  At Datadog Ilan has been working with the Docker community on monitoring containers and developing what Datadog calls their Monitoring-as-a-Service offering that combines Docker metadata and Docker container monitoring information.  Ilan discusses some of the differences of monitoring containers versus virtual machines. We also talk about Datadog’s adoption surveys highlighting the unprecedented  “wildfire” adoption of technology unseen since Linux Continue reading…

Jérôme Petazzoni

Gathering LXC and Docker containers metrics

Linux Containers rely on control groups which not only track groups of processes, but also expose a lot of metrics about CPU, memory, and block I/O usage. We will see how to access those metrics, and how to obtain network usage metrics as well. This is relevant for “pure” LXC containers, as well as for Docker containers.