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End of Life

This proof of concept has been superseeded by https://github.com/mesos/elasticsearch.

elasticsearch-mesos

This Apache Mesos framework allows you to utilize your Mesos cluster to run Elasticsearch.

The framework is composed of a Driver node and a set of slaves.

The driver will do all the heavy lifting like downloading Elasticsearch to the worker nodes, making the cluster configuration available to the slaves via HTTP, and monitoring the instances. It will automatically modify the configuration files to include the known Elasticsearch instances to be used for unicast peer discovery via a template variable.

Proof of Concept

This is currently a proof of concept to show Elasticsearch running natively on Mesos. Don't use it in production! We'd love help from the community to make it production grade.

Prerequisites

  • An Apache Mesos cluster running version 0.15.0+
  • Java
  • Maven
  • wget

Tutorial

  1. Download the distribution from the Mesosphere download server.

  2. Untar it onto the driver machine
    tar xzf es-mesos-*.tgz

  3. Edit config/mesos.yaml and replace it with your Mesos settings.

  4. Edit config/elasticsearch.yaml and replace it with your Elasticsearch settings.

  5. Start the driver to initiate launching Elasticsearch on Mesos

     bin/elasticsearch-mesos
    

Configuration Values

mesos.executor.uri

Adjust this if you want the nodes to retrieve the distribution from somewhere else

Default: http://downloads.mesosphere.io/elasticsearch/elasticsearch-mesos-0.90.10-1.tgz

mesos.master.url

Change this setting to point to your Mesos Master. The default works for a local Mesos install.

Default: zk://localhost:2181/mesos

java.library.path

Change this to the path to where the mesos native library is installed.

Default: /usr/local/lib

elasticsearch.noOfHwNodes

How many hardware nodes we want to run this cluster on. This prevents multiple nodes from the same cluster to run on a single physical node.

Default: 1

resource.*

The specified resources will be relayed to Mesos to find suitable machines. The configuration file lists cpu, mem and disk, but really anything you specify will be relayed to Mesos as a scalar value when requesting resources.

Defaults: resource.cpu:1.0, resource.mem: 2048, resource.disk: 1000

Building

Execute bin/build to download all dependencies including Elasticsearch, compile the code and make the distribution.

Known Limitations

Currently the driver does not deal with cluster failure in an intelligent manner. These features will be added shortly once we gain some initial feedback.

Versioning

elasticsearch-mesos uses the version of the embedded Elasticsearch as the first 3 version numbers. The last and 4th version number is the version of elasticsearch-mesos.

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