17.10 - DefaultSpoolSkewLimitPercent - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - Database Utilities

Advanced SQL Engine
Teradata Database
Release Number
July 2021
Last Update
Content Type
Publication ID
English (United States)
Last Update

Specifies the percentage of spool space that an AMP is allowed to use over and above the per-AMP quota (the global maximum space limit divided by the number of AMPs). This is used for databases and users that are created without a SKEW option, or that are created with SKEW limit specified as DEFAULT for spool space.

This field should be changed only under the direction of Teradata Support Center personnel.

Field Group


Valid Range

0 through 10000 percent



Changes Take Effect

After the DBS Control record has been written.

Usage Notes

  • For operations involving uniform load distribution across all the AMPs in the system, the default skew limit percentage may be set to lower values.
  • If the system involves long running transactions with high space consumption, you can increase the value of the GlobalSpaceSoftLimitPercent DBS Control field to reduce the chances of transaction aborts due to a lack of available space.

Related Information

For more information on... See...
the SKEW option for DDL, such as CREATE DATABASE and CREATE USER Teradata Vantage™ - SQL Data Definition Language Syntax and Examples, B035-1144.
related DBS Control fields