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Question 63/90
You plan to migrate a database supporting an OLTP workload to your new X5 Database Machine.
The current database instance supports a large number of short duration sessions and a very high volume of short transactions.
Which three X5 Database Machine features can improve performance for this type of workload?
The current database instance supports a large number of short duration sessions and a very high volume of short transactions.
Which three X5 Database Machine features can improve performance for this type of workload?
Correct Answer: A,C,D
Explanation/Reference:
A: To further accelerate OLTP workloads, the Exadata Smart Flash Cache also implements a special algorithm to reduce the latency of log write I/Os called Exadata Smart Flash Logging.
C: Use the Write-Back Flash Cache feature to leverage the Exadata Flash hardware and make Exadata Database Machine a faster system for Oracle Database Deployments.
D: Exadata X5-2 introduces Extreme Flash Storage Servers. Each Extreme Flash storage server contains eight 1.6 TB state-of-the-art PCI Flash drives. PCI flash delivers ultra-high performance by placing flash memory directly on the high speed PCI bus rather than behind slow disk controllers and directors.
References: http://www.oracle.com/technetwork/database/exadata/exadata-x5-2-ds-2406241.pdf
http://www.oracle.com/technetwork/articles/database/exadata-write-back-flash-2179184.html
A: To further accelerate OLTP workloads, the Exadata Smart Flash Cache also implements a special algorithm to reduce the latency of log write I/Os called Exadata Smart Flash Logging.
C: Use the Write-Back Flash Cache feature to leverage the Exadata Flash hardware and make Exadata Database Machine a faster system for Oracle Database Deployments.
D: Exadata X5-2 introduces Extreme Flash Storage Servers. Each Extreme Flash storage server contains eight 1.6 TB state-of-the-art PCI Flash drives. PCI flash delivers ultra-high performance by placing flash memory directly on the high speed PCI bus rather than behind slow disk controllers and directors.
References: http://www.oracle.com/technetwork/database/exadata/exadata-x5-2-ds-2406241.pdf
http://www.oracle.com/technetwork/articles/database/exadata-write-back-flash-2179184.html
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