SAP ABAP Data Element RA_EFFECT (Read Ahead Effectiveness)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-DB-INF (Application Component) Informix
     STUI (Package) Informix Database Monitor
Basic Data
Data Element RA_EFFECT
Short Description Read Ahead Effectiveness  
Data Type
Category of Dictionary Type D   Domain
Type of Object Referenced     No Information
Domain / Name of Reference Type STUI_PCNT    
Data Type DEC   Counter or amount field with comma and sign 
Length 4    
Decimal Places 1    
Output Length 6    
Value Table      
Further Characteristics
Search Help: Name    
Search Help: Parameters    
Parameter ID   
Default Component name    
Change document    
No Input History    
Basic direction is set to LTR    
No BIDI Filtering    
Field Label
  Length  Field Label  
Short 10 RAEFFECTIV 
Medium 20 Read Ahead Effective 
Long 24 Read Ahead Effectiveness 
Heading  
Documentation

Definition

The effectiveness of the read ahead mechanism. This figure should be close to 100%. Otherwise the data buffer could be filled with data that is not used and cause buffer wait events.

History
Last changed by/on SAP  20041216 
SAP Release Created in 700