16.20 - SET SESSION FUNCTION TRACE Performance Overhead - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Detailed Topics

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1184-162K
Language
English (United States)

When function trace processing is enabled, additional performance overhead is incurred for each request that uses UDFs or external procedures. This occurs because Teradata Database saves the output of the function in the specified materialized global trace table.