HDFS storage types
HDFS storage types can be used to assign data to different types of physical storage media.
The following storage types are available:
-
DISK: Disk drive storage (default storage type)
-
ARCHIVE: Archival storage (high storage density, low processing resources)
-
SSD: Solid State Drive
-
RAM_DISK: DataNode Memory
If no storage type is assigned, DISK is used as the default storage type.