SAP ABAP Data Element MSSREADAHEAD (Page reads per read ahead)
Hierarchy
☛
SAP_BASIS (Software Component) SAP Basis Component
⤷ BC-DB-MSS (Application Component) Microsoft SQL Server
⤷ STUN_MSS (Package) Package for new SQL Server monitoring objects
⤷ BC-DB-MSS (Application Component) Microsoft SQL Server
⤷ STUN_MSS (Package) Package for new SQL Server monitoring objects
Basic Data
Data Element | MSSREADAHEAD |
Short Description | Page reads per read ahead |
Data Type
Category of Dictionary Type | D | Domain |
Type of Object Referenced | No Information | |
Domain / Name of Reference Type | MSSCOLLSLOPE | |
Data Type | DEC | Counter or amount field with comma and sign |
Length | 16 | |
Decimal Places | 3 | |
Output Length | 21 | |
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 | Page reads |
Medium | 15 | Page reads |
Long | 24 | Page reads per readahead |
Heading | 24 | Page reads per readahead |
Documentation
Definition
This value is the ratio between regular page reads and the number of pages which where readahead pages.
Regular page reads are reads coming from actual user requests whereas readaheads are done because the system algorithmic "guesses" that the pages are going to be used very soon.
Use
Dependencies
Example
History
Last changed by/on | SAP | 20110908 |
SAP Release Created in | 640 |