SAP ABAP Data Element DB2CRPRERA (Reprepare Ratio)
Hierarchy
☛ SAP_BASIS (Software Component) SAP Basis Component
   ⤷ BC-DB-DB2 (Application Component) DB2 for z/OS
     ⤷ STU3 (Package) Development Class for Database Monitor
Basic Data
Data Element DB2CRPRERA
Short Description Reprepare Ratio  
Data Type
Category of Dictionary Type D   Domain
Type of Object Referenced     No Information
Domain / Name of Reference Type DB2DEC5_2    
Data Type DEC   Counter or amount field with comma and sign 
Length 5    
Decimal Places 2    
Output Length 7    
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 0   
Medium 15 Reprepare ratio 
Long 20 Reprepare ratio 
Heading 0   
Documentation

Definition

The reprepare ratio is defined as

100 * QXSTIPRP / QXSTDEXP

where:
QXSTIPRP:
The number of times that DB2 did an implicit prepare for a statement bound with KEEPDYNAMIC(YES) because the prepared statement cache did not contain a valid copy of the prepared statement.

QXSTDEXP:
The number of times that DB2 discarded a prepared statement from the prepared statement cache because the number of prepared statements in the cache exceeded the value of the subsystem parameter MAXKEEPD.

History
Last changed by/on SAP  20070813 
SAP Release Created in 710