C H A P T E R 5
Exadata Smart Flash Cache
The marketing guys at Oracle must like the term “smart.” They have applied it to a dozen or so different features on the Exadata platform. They also seem to like the term “flash,” which is associated with at least a half dozen features as well. To add to the confusion, there are two features in Oracle Database 11g Release 2 that have almost exactly the same names, Database Smart Flash Cache (DBFC) and Exadata Smart Flash Cache (ESFC). While both features make use of flash-based memory devices, they are very different. This chapter is focused on ESFC so we'll only mention DBFC in passing.
Cleary, one of the goals with Exadata V2 (and now X2) was to expand Exadata capabilities to improve its performance ...