Configuration

CrateDB can be configured via configuration files. These files are located in the directory inside the directory.

The configuration directory can changed via the setting, like so:

Here, replace with the path to your custom configuration directory.

The primary configuration file is named . The default version of this file has a commented out listing of every available setting. (Some features, such as logging, use feature-specific files.)

Settings passed at startup use the same name as the settings in the configuration file. So the equivalent setting in the configuration file would be:

Settings are applied in the following order:

Each setting value overwrites any previous value. So, for example, command line settings will override configuration file settings.

Tip

Cluster settings can be .

Note

Table of contents

• Node-specific settings
  • Node types
  • Hosts
  • Paths
  • CPU
  • Garbage collection
  • Secured communications (SSL/TLS)
  • Repositories
  • JavaScript language
• Cluster-wide settings
  • Collecting stats
  • Usage data collector
  • Bulk operations
  • Routing allocation
  • Memory management
  • Request circuit breaker
  • Stats circuit breakers
  • Thread pools
• Session settings
  • Supported session settings
• • Application logging
• Environment variables
  • JVM variables