This is documentation for MapR Version 5.0. You can also refer to MapR documentation for the latest release.

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The size of a disk space quota is expressed in terms of the actual data stored from the user's point of view. PostOnly post-compression data blocks are counted. Snapshot , and snapshot and replica space does not count against quotas. For example, a 10G file that is compressed to 8G and has a replication factor of 3 consumes 24G (3*8G) of disk space, but charges only 8G to the user or volume's quota.