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requirements
Infrastructure requirements
Infrastructure requirements

Since OpenCTI has some dependencies, you can find below the minimum configuration and amount of resources needed to launch the OpenCTI platform.

Total requirements

The minimal hardware requirements for all components of the platforms including the databases are:

  • CPU: 6
  • RAM: 16G
  • Disk: SSD (recommanded) / Normal
  • Space: Depending of your content (> 32G)

Databases

Grakn

Grakn is composed of 2 JAVA processes, one for Grakn itself and the other one for Cassandra. Each process requires a minimum of 4GB of memory. So Grakn needs:

  • CPU: 2
  • RAM: 8G
  • Disk: SSD

In order to setup the JAVA memory allocation, you can use the environment variable SERVER_JAVAOPTS and STORAGE_JAVAOPTS. You can find more information in the official Grakn documentation.

ElasticSearch

ElasticSearch is also a JAVA process that needs a minimal amount of memory and CPUs.

  • CPU: 2
  • RAM: 1G
  • Disk: Normal

In order to setup the JAVA memory allocation, you can use the environment variable ES_JAVA_OPTS. You can find more information in the official ElasticSearch documenation.

Redis

Redis has a very small footprint and only needs a tiny configuration:

  • CPU: 1
  • RAM: 128M
  • Disk: Normal

You can use the option --maxmemory to limit the usage. You can find more information in the Redis docker hub.

RabbitMQ

RabbitMQ has a very small footprint until and can store messages directly on the disk if it does not have enough memory.

  • CPU: 1
  • RAM: 128M
  • Disk: Normal

The RabbitMQ memory configuration can be find in the RabbitMQ official documentation.

Total

The requirements for the databases infrastructure of OpenCTI are:

  • CPU: 4
  • RAM: 12G
  • Disk: SSD (recommanded) / Normal

Application

Platform

OpenCTI platform is based on a NodeJS runtime, with a memory limit of 512MB by default.

  • CPU: 1
  • RAM: 512M
  • Disk: Normal

Workers and connectors

OpenCTI workers and connectors are Python processes with a very small footprint.

  • CPU: 1
  • RAM: 128M
  • DIsk: Normal