Volume
In Stroom a Volume is a logical storage area that Stroom can write data to. Volumes are associated with a path on a file system that can either be local to the Stroom node or on a shared file system.
Stroom has two types of Volume; Index Volumes and Data Volumes.
- Index Volume - Where the Lucene Index Shards are written to. An Index Volume must belong to a Volume group Volume group A Volume Group is a collection of one or more Index Volumes. Index volumes must belong to a volume group and Indexes are configured to write to a particular Volume Group.Click to see more details....
- Data Volume - Where streams are written to.
When writing
Stream
Stream
A Stream is the unit of data that Stroom works with and will typically contain many Events.Click to see more details... data Stroom will pick a data volume using a volume selector as configured by the
Property
Property
A configuration Property for configuring Stroom. Properties can be set in the user interface or via the
config.ymlconfiguration file.Click to see more details...stroom.data.filesystemVolume.volumeSelector.
See Also
Volume group
Volume group
A Volume Group is a collection of one or more Index Volumes. Index volumes must belong to a volume group and Indexes are configured to write to a particular Volume Group.Click to see more details...
[User Guide](/docs/user-guide/volumes/)
Last modified April 7, 2026: Merge branch '7.11' into 7.12 (5ca47c5)