Dimensions and Limits

Dimensions and Limits#

Several limits are shared with other entities housed in VAST: tables are analogous to files thus table count limits are shared with files Snapshot count limits are shared across the system Database count limit is shared with the platform view count

Domain

Limit

Notes

Max database count

16,384

This is limited by, and included in, the total number of views in the system

Max table count

1 billion per DBox

Limited by, and included in, the max file count.

Table max row count

2^48 (256 Trillion)

Table max column count

31,936

Table max cell size

126KB

Row Batch limit size (for an insert).

5MB

You should be able to add additional columns as part of an update.

Snapshot limit

1019

Same as for file systems

Note! The maximum column count will be increased to 64k in VAST 5.1