You have a Linux machine with the following features:
1) No RAID configuration
2) Operating system without asynchronous I/O
The Oracle database instance is running on the machine. You executed the iostat -d -x 2 2
command and observed the following:
1) High wait time for I/O requests
2) Small request queue size
What would you do to ensure better I/O performance?
A.
Add more swap space to the system.
B.
Enable the database instance to use I/O slaves.
C.
Add additional Host Bus Adapters (HBAs) in the system.
D.
Increase the communication area for I/O buffers by increasing the size of the large pool.