Large Pool
The large pool is an optional memory area in Oracle databases designed for memory allocations that exceed the size limits of the shared pool.
• Purpose: The large pool provides a dedicated space for large memory allocations, helping to optimize performance and manage memory effectively.
Use Cases for the Large Pool:
- User Global Area (UGA):
Used for sessions in a shared server configuration and for the Oracle XA interface, which facilitates transactions across multiple databases - Recovery Manager (RMAN) I/O Slaves:
Allocates buffers specifically for RMAN operation