Directory Configurations for Ozone Manager
This section describes the directory-related configuration properties used by Ozone Manager (OM).
| Property Name | Description | Tags | Default/Example Value | Sample Value |
|---|---|---|---|---|
ozone.om.db.dirs | Directory where the OzoneManager stores its metadata. If not defined, falls back to ozone.metadata.dirs. | OZONE, OM, STORAGE, PERFORMANCE | Empty (creates directory if it doesn't exist) | /var/data/ozone/om |
ozone.om.db.dirs.permissions | Permissions for the metadata directories for Ozone Manager. Defaults to 750 if not defined. | 750 | 750 | |
ozone.om.ratis.storage.dir | Directory for storing OM's Ratis metadata like logs. Should use fast storage like SSD. | OZONE, OM, STORAGE, MANAGEMENT, Ratis | Falls back to ozone.metadata.dirs if undefined | /var/data/ozone/ratis |
ozone.om.ratis.snapshot.dir | Directory for storing OM's snapshot-related files like the ratisSnapshotIndex and DB checkpoint. | OZONE, OM, STORAGE, MANAGEMENT, Ratis | Falls back to ozone.metadata.dirs if undefined | /var/data/ozone/snapshot |
ozone.om.snapshot.diff.db.dir | Directory where OzoneManager stores snapshot diff-related data. | OZONE, OM | Falls back to ozone.metadata.dirs if undefined | /var/data/ozone/diff |