OS Memory Usage
Disk I/O DB Performance
Memory Usage Performance
OS Tuning Conclusion
Control File Parameters
Define hot Disk
Disk Load Balancing
OS methods File Striping
OS File Striping Methods
PCTfree Striped Table
Disk IO Tuning
Managing Redo Log
Unix Memory Management
CPU Bottlenecks vmstat
Oracle Table Statistics
Reduce Memory Usage
Virtual Memory Conclusion
Monitor CPU Usage
Monitor CPU via vmstat
Changing Dispatch Priorities
Monitoring CPU Consumption
Manage Tablespace Files
Resequence Table Rows
ctas Resequence Table Rows
Remove Table Extents
OS Memory Management - Exercise
Identify the processes involved in virtual memory
This exercise involves matching the steps of the swap disk process to their definitions.
The image below shows the entire process.
When you have all the definitions and the corresponding parts of the process matched, click
to check your work. Correct answers are highlighted in green and incorrect answers are highlighted in red. If you didn't get the matches right the first time, click Clear to erase your matches and try again.
When you complete the exercise, click the
button to see the correct answers.
You will receive 10 points for this exercise. The exercise is auto-scored. When you complete the exercise, click the
button to receive full credit.
Match the description with the letters A,B,C,D,E
The OS then allocates the RAM memory region for the requesting task.
If no memory exists, the OS will swap-out the least recently used memory segment onto the swap disk.
An OS task requests a memory region from UNIX.
Once the task is complete, the OS will page-in the memory segment into RAM from the swap disk.
The OS checks available memory.