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druid/docs/operations/single-server.md

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single-server Single server deployment

Druid includes a set of reference configurations and launch scripts for single-machine deployments:

  • nano-quickstart
  • micro-quickstart
  • small
  • medium
  • large
  • xlarge

The micro-quickstart is sized for small machines like laptops and is intended for quick evaluation use-cases.

The nano-quickstart is an even smaller configuration, targeting a machine with 1 CPU and 4GB memory. It is meant for limited evaluations in resource constrained environments, such as small Docker containers.

The other configurations are intended for general use single-machine deployments. They are sized for hardware roughly based on Amazon's i3 series of EC2 instances.

The startup scripts for these example configurations run a single ZK instance along with the Druid services. You can choose to deploy ZK separately as well.

The example configurations run the Druid Coordinator and Overlord together in a single process using the optional configuration druid.coordinator.asOverlord.enabled=true, described in the Coordinator configuration documentation.

While example configurations are provided for very large single machines, at higher scales we recommend running Druid in a clustered deployment, for fault-tolerance and reduced resource contention.

Single server reference configurations

Nano-Quickstart: 1 CPU, 4GB RAM

  • Launch command: bin/start-nano-quickstart
  • Configuration directory: conf/druid/single-server/nano-quickstart

Micro-Quickstart: 4 CPU, 16GB RAM

  • Launch command: bin/start-micro-quickstart
  • Configuration directory: conf/druid/single-server/micro-quickstart

Small: 8 CPU, 64GB RAM (~i3.2xlarge)

  • Launch command: bin/start-small
  • Configuration directory: conf/druid/single-server/small

Medium: 16 CPU, 128GB RAM (~i3.4xlarge)

  • Launch command: bin/start-medium
  • Configuration directory: conf/druid/single-server/medium

Large: 32 CPU, 256GB RAM (~i3.8xlarge)

  • Launch command: bin/start-large
  • Configuration directory: conf/druid/single-server/large

X-Large: 64 CPU, 512GB RAM (~i3.16xlarge)

  • Launch command: bin/start-xlarge
  • Configuration directory: conf/druid/single-server/xlarge