What role does the buffer pool play in DB2's architecture?

  • Caches data and manages data in memory
  • Handles user requests and interacts with the database manager
  • Manages data storage
  • Optimizes I/O operations
The buffer pool in DB2's architecture plays a crucial role in caching data and managing data in memory. It stores frequently accessed data pages in memory, reducing the need for disk I/O operations. This improves performance by speeding up data retrieval and manipulation operations. 
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