What is roll buffer in SAP BC-CST-MM - Memory Management?

SAP Term: roll buffer

• Component: BC-CST-MM

• Component Name: Memory Management

• Description: Buffer used to buffer the data written into the roll file. The roll file is on the hard disk access takes a long time, the roll buffer is in shared memory and can be accessed very quickly.

Smart SAP Assistant

• Key Concepts: 
  The roll buffer is a memory area in SAP that is used to store data temporarily. It is used to store data that is needed for a short period of time, such as when a user is navigating through different screens in the system. The roll buffer is part of the BC-CST-MM Memory Management component in SAP. 
  
  How to use it: 
  The roll buffer is used to store data temporarily while a user is navigating through different screens in the system. This data can be accessed quickly and easily, allowing the user to quickly move between screens without having to reload the data each time. The roll buffer can also be used to store data that needs to be accessed multiple times, such as when a user is entering multiple entries into a form. 
  
  Tips & Tricks: 
  It is important to remember that the roll buffer is only meant for temporary storage of data. Data stored in the roll buffer should not be relied upon for long-term storage, as it can be cleared at any time. Additionally, it is important to ensure that the roll buffer does not become too full, as this can cause performance issues. 
  
  Related Information: 
  For more information on the roll buffer and other memory management components in SAP, please refer to the official SAP documentation. Additionally, there are many online resources available that provide detailed information on how to use and manage memory in SAP.