1Z0-515 · Question #30
Flash in the Oracle Exadata Database Machine is of lower latency (and enables faster access to data) than:
The correct answer is D. Locally attached and network-attached disk. The Exadata Smart Flash Cache is also used to reduce the latency of log write I/O eliminating performance bottlenecks that might occur due to database logging. Flash memory has very good average write latency. It is faster than locally attached and network- attached disks…
Question
Flash in the Oracle Exadata Database Machine is of lower latency (and enables faster access to data) than:
Options
- AMemory
- BMemory and locally attached disk
- CMemory and network-attached disk
- DLocally attached and network-attached disk
How the community answered
(50 responses)- A4% (2)
- B6% (3)
- C12% (6)
- D78% (39)
Explanation
The Exadata Smart Flash Cache is also used to reduce the latency of log write I/O eliminating performance bottlenecks that might occur due to database logging. Flash memory has very good average write latency. It is faster than locally attached and network- attached disks. However, it is not faster than Memory (RAM).
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