README.md

Static ElasticSearch Cluster

This demo shows how to create an ElasticSearch cluster with tree nodes using Docker Compose.

First, you need to install Docker and Docker Compose.

Create the cluster

To create the cluster after cloning this repository, you need to start Docker Compose (detached mode):

docker-compose up -d

This command creates tree docker containers with an ElasticSearch instance inside each.

You can check the containers status using the command:

docker-compose ps

You can also check the cluster health by asking ElasticSearch first node: http://localhost:9201/_cluster/health

Install head plugin

The head plugin is an ElasticSearch plugin supported by the community. It provides a simple and visual way to check the health of a cluster. You can find more explainations on its GitHub page

To install the plugin, you need to execute the following command:

docker-compose run --rm e1 /elasticsearch/bin/plugin -i mobz/elasticsearch-head

You can now check the cluster health at: http://localhost:9201/_plugin/head/

Loading some data

You can load data inside the cluster using the Bulk API and the sample dataset:

curl -XPOST 'localhost:9201/bank/account/_bulk?pretty' --data-binary @dataset/accounts.json

The sample dataset used has been found on ElasticSearch site

Stoping and starting nodes

You can now stop and start some nodes to see how the cluster reacts:

docker-compose stop e2
docker-compose start e2