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« Playbook for production Example: A medium installation with separate management services »
Elastic Docs ›Elastic Cloud Enterprise Reference [2.2] ›Getting started ›Playbook for production

Example: A small baseline installation

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Example: A small baseline installation

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What you get: A simple baseline Elastic Cloud Enterprise installation that is recommended for development, test, and small-scale use cases. Three hosts spread across three availability zones provide high availability.

A drawback of this example is that it places the ECE management services provided by the directors and coordinators onto the same hosts as your allocators and proxies. See Separation of Roles to learn why we do not recommend this approach for anything but very low-traffic workloads. All the same, we fully support small setups like this one and we think they are a great way to get started with Elastic Cloud Enterprise. (You can always scale your installation to the medium playbook example later on.)

If you decide to use spinning disks with a small installation, you must not assign the director role to hosts that also hold the allocator role. The inherent latency of disk seek speeds can affect the performance of ZooKeeper running on hosts with the director role, which in turn can affect the stability of your installation. Do not assign the director and the allocator role to the same hosts when using spinning disks, even if this means having to use additional host machines so that you can separate these roles.

A small baseline installation with three hosts across three availability zones

The numbered steps in the illustration match the steps in our instructions that begin with A numbered step. You need to perform some steps on more than one host, as indicated. Don’t forget to substitute the coordinator host and other information that is specific to your installation when you run the commands.

What you need:

  • 3 hosts with 128 GB RAM each

  • We recommend the following JVM heap sizes:

    Service JVM Heap Size (Xms and Xmx)

    runner

    1 GB

    allocator

    4 GB

    proxy

    8 GB

    zookeeper

    4 GB

    director

    1 GB

    constructor

    4 GB

    admin-console

    4 GB

To deploy this Elastic Cloud Enterprise installation:

  1. Install Elastic Cloud Enterprise on the first host to start a new installation with your first availability zone. This first host holds all runner roles to help bootstrap the rest of the installation. After installation completes, copy down the coordinator host IP address, user credentials and roles token information. Keep this information safe.

    bash <(curl -fsSL https://download.elastic.co/cloud/elastic-cloud-enterprise.sh) install --availability-zone MY_ZONE-1 --memory-settings '{"runner":{"xms":"1G","xmx":"1G"},"allocator":{"xms":"4G","xmx":"4G"},"proxy":{"xms":"8G","xmx":"8G"},"zookeeper":{"xms":"4G","xmx":"4G"},"director":{"xms":"1G","xmx":"1G"},"constructor":{"xms":"4G","xmx":"4G"},"admin-console":{"xms":"4G","xmx":"4G"}}'

  2. Generate a new roles token that persists for one hour on the first host, so that other hosts can join your installation with the right role permissions in the next step (referred to as MY_TOKEN). The new token needs to enable all runner roles, which none of the tokens automatically generated by the installation on the first host provide.

    curl -k -H 'Content-Type: application/json' -u admin:PASSWORD https://localhost:12443/api/v1/platform/configuration/security/enrollment-tokens -d '{ "persistent": false, "roles": ["director", "coordinator", "proxy", "allocator"] }'

  3. Install Elastic Cloud Enterprise on a second and third host, placing them into a second and a third availability zone, and assign them the same roles and memory settings as the first host. Make sure you include the coordinator host IP information from Step 1 and the new roles token from Step 2.

    bash <(curl -fsSL https://download.elastic.co/cloud/elastic-cloud-enterprise.sh) install --coordinator-host HOST_IP --roles-token 'MY_TOKEN' --roles "director,coordinator,proxy,allocator" --availability-zone MY_ZONE-2 --memory-settings '{"runner":{"xms":"1G","xmx":"1G"},"allocator":{"xms":"4G","xmx":"4G"},"proxy":{"xms":"8G","xmx":"8G"},"zookeeper":{"xms":"4G","xmx":"4G"},"director":{"xms":"1G","xmx":"1G"},"constructor":{"xms":"4G","xmx":"4G"},"admin-console":{"xms":"4G","xmx":"4G"}}'

bash <(curl -fsSL https://download.elastic.co/cloud/elastic-cloud-enterprise.sh) install --coordinator-host HOST_IP --roles-token 'MY_TOKEN' --roles "director,coordinator,proxy,allocator" --availability-zone MY_ZONE-3 --memory-settings '{"runner":{"xms":"1G","xmx":"1G"},"allocator":{"xms":"4G","xmx":"4G"},"proxy":{"xms":"8G","xmx":"8G"},"zookeeper":{"xms":"4G","xmx":"4G"},"director":{"xms":"1G","xmx":"1G"},"constructor":{"xms":"4G","xmx":"4G"},"admin-console":{"xms":"4G","xmx":"4G"}}'
  4. Change the deployment configuration for the admin-console-elasticsearch, logging-and-metrics, security clusters to use three availability zones and resize the nodes to use at least 4 GB of RAM. This change makes sure that the clusters used by the administration console are highly available and provisioned sufficiently.

For production setups, perform the post-installation steps next.

« Playbook for production Example: A medium installation with separate management services »