Metadata Storage

Dremio stores metadata about users, spaces, and datasets.

The default location: ${DREMIO_HOME}"/data directory. This property specifies the directory where Dremio holds metadata about users, spaces and datasets.

This location is customized via the paths.local property in the dremio.conf file. In particular, if you configure for High Availability, Dremio's metadata store must be:

  • External location
  • Network drive (NFS) with locking support
  • High-speed, low latency storage for spilling operations purposes

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