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Grafana

A complete ELK dev env in a few minutes

I had to prepare an Elastic Search training that contains a theoretical and a hands on part. For the hands on part, we want the people to have locally on their laptops the following software:

  • An ElasticSearch node
  • Kibana to build dashboard
  • A Jupyter notebook in order to use Python to play with ElasticSearch
  • A Nodered instance in order to use JavaScript to play with ElasticSearch
  • A Grafana Instance

Thanks to docker and docker-compose, all of these can be set in a few minutes. Continue reading “A complete ELK dev env in a few minutes”

Testing the ELK stack 6.1

Elastic Search released the version 6.1 of its stack, and once again there are a tons of good new things but this is once again a disappointment for developers writing plugins for Kibana. Once again the compatibility is broken and the code has to be changed. This is painful and I stopped writing plugins for it. I will probably still port the traffic lights plugin for it. (I already have 3 different versions of it, one per Elastic flavour)

Continue reading “Testing the ELK stack 6.1”

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.

Continue reading “Playing With Docker and Cassandra 2”

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.

Continue reading “Playing With Kairos DB”

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.

Continue reading “Linking InfluxDB and Grafana”

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