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Docker

Playing With Docker and Cassandra 2

We already made a few blogs on Cassandra and Kairos DB. Unfortunately, the recipes used to build the cluster via docker-compose are no longer working with new versions of docker. You will find below a working docker-compose using version 3 of the docker-compose system that builds a three nodes Cassandra cluster.

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Testing ELK 5.2

ELK 5.2 has arrived and there are some nice additions. Please find below a complete docker-compose file that let’s you quickly play with the latest versions of elastic search, kibana and a few additional tools used to monitor the system.

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Monitoring Docker 2

There are a lot of tools that can be used to monitor docker as explained in this previous post, but it could be interesting to keep the history of the CPU and memory used by each individual container.

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Playing With Kairos DB

KairosDB is a time series database built on top of Cassandra, one of the top NoSQL database. It has a very simple API and a nice Grafana plugin in order to display the time series.

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Linking InfluxDB and Grafana

We will once again use docker to deploy a fully functional stack of InfluxDB and Grafana. I was a little bit disappointed by the lack of free options to scale the InfluxDB horizontally but however, it is still a nice product when it is deployed in a single server.

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Playing with a Cassandra cluster via Docker

Docker is the best tool to quickly check new technologies without the hassles of installations.

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Monitoring Docker

There are multiple ways to monitor docker, at the end the power user will probably stick with the command line tools, but at least two free software can definitively help. And cherry on the cake, the two of them can be deployed as containers.

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Kibana 5.1.1 released

Kibana 5.1.1 is released. It is definitively worth the try.

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Monitoring Elastic Stack Part 2

In the part 1, we saw how to display the number of docs and their sizes per node. In the real life, it helps but we need more than that.

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