What is 'memory mapped file' in SAP BC-CST-MM - Memory Management?

memory mapped file - Overview

• Component: BC-CST-MM

• Component Name: Memory Management

• Description: File in the virtual memory that contains data of a source file on the data carrier. The memory mapped file allows applications with multiple processes to access the same data.

memory mapped file - Details

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  Key Concepts: 
  A memory mapped file is a type of file that is stored in the main memory of a computer. It is used to store data that can be accessed quickly and efficiently. It is also used to share data between different programs or processes. 
  
  How to use it: 
  Memory mapped files are used in SAP systems to store and access data quickly and efficiently. They are used for tasks such as loading large amounts of data into memory, sharing data between different programs or processes, and providing access to data that is stored in a database. 
  
  Tips & Tricks: 
  When using memory mapped files, it is important to ensure that the file size does not exceed the available memory. Additionally, it is important to ensure that the file is properly closed when it is no longer needed. 
  
  Related Information: 
  The BC-CST-MM Memory Management component of SAP provides tools for managing memory mapped files. It includes features such as creating, deleting, and modifying memory mapped files, as well as monitoring their usage.