skew factor

Database
Enthusiast

skew factor

hi all

is skew fcator ranges from 0 to 100 or from 0 to 1000
how it is related to parallel efficiency...
2 REPLIES
Teradata Employee

Re: skew factor

They are complementary measures.

Parallel Efficiency is the ratio (Avg/Max) which ranges from near 0 to 1; it's usually scaled to a percentage (multiplied by 100) and displayed as 0% to 100%.
Skew Factor is simply (1 - Parallel Efficiency ratio), or 100% - Parallel Efficiency %.
Enthusiast

Re: skew factor

please give me idea about skew factor with example

thx