Oracle Database Smart Flash Cache

1. Oracle Database 11g Release 2 introduced a new database feature: Database Smart Flash Cache.

2. This feature is available on Solaris and Oracle Enterprise Linux and allows customers to increase the effective size of the Oracle database buffer cache without adding more main memory to the system.

3. The idea is to use Flash card as the second cache of Oracle database.

4. Looks for blocks in flash cache before issuing Physical I/O

5. It keeps only the clean blocks

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