Question 3 (25 points) A file server with a CPU and two disks, 1 and 2, is modeled as in this figure Exit Enter alla 112 Disk 1 CPU ILO Disk 2 Measurements produced the following data o Observation interval 3000 seconds Number of client requests 12000 requests O CPU busy time 1200 seconds o Disk A busy time 1600 seconds o Disk B busy time 120 seconds o Total number of visits to CPU 60000 o Total number of visits (I O requests) to disk 1 36000 o Total number of visits (I O requests) to disk 2 12000 a) (10 points) Calculate overall throughput and number of visits to each device per client request b) (6 points) For each device, calculate average service time per request c) (9 points) Calculate device utilizations and determine which device is the bottleneck Question 3 (25 points) A file server with a CPU and two disks, 1 and 2, is modeled as in this figure Exit Enter alla 112 Disk 1 CPU ILO Disk 2 Measurements produced the following data o Observation interval 3000 seconds Number of client requests 12000 requests O CPU busy time 1200 seconds o Disk A busy time 1600 seconds o Disk B busy time 120 seconds o Total number of visits to CPU 60000 o Total number of visits (I O requests) to disk 1 36000 o Total number of visits (I O requests) to disk 2 12000 a) (10 points) Calculate overall throughput and number of visits to each device per client request b) (6 points) For each device, calculate average service time per request c) (9 points) Calculate device utilizations and determine which device is the bottleneck

Question

Question 3 (25 points) A file server with a CPU and two disks, 1 and 2, is modeled as in this figure  Exit Enter alla 112 Disk 1 CPU ILO Disk 2 Measurements produced the following data  o Observation interval   3000 seconds Number of client requests   12000 requests O CPU busy time   1200 seconds o Disk A busy time   1600 seconds o Disk B busy time   120 seconds o Total number of visits to CPU   60000 o Total number of visits (I O requests) to disk 1   36000 o Total number of visits (I O requests) to disk 2   12000 a) (10 points) Calculate overall throughput and number of visits to each device per client request  b) (6 points) For each device, calculate average service time per request  c) (9 points) Calculate device utilizations and determine which device is the bottleneck  Question 3 (25 points) A file server with a CPU and two disks, 1 and 2, is modeled as in this figure  Exit Enter alla 112 Disk 1 CPU ILO Disk 2 Measurements produced the following data  o Observation interval   3000 seconds Number of client requests   12000 requests O CPU busy time   1200 seconds o Disk A busy time   1600 seconds o Disk B busy time   120 seconds o Total number of visits to CPU   60000 o Total number of visits (I O requests) to disk 1   36000 o Total number of visits (I O requests) to disk 2   12000 a) (10 points) Calculate overall throughput and number of visits to each device per client request  b) (6 points) For each device, calculate average service time per request  c) (9 points) Calculate device utilizations and determine which device is the bottleneck

Accepted Answer

The Answer is in the image, click to view ...

Question

Question 3 (25 points) A file server with a CPU and two disks, 1 and 2, is modeled as in this figure: Exit Enter alla

Step by Step Solution

Step: 1

Get Instant Access to Expert-Tailored Solutions

Step: 2

Step: 3

Ace Your Homework with AI

Recommended Textbook for

Database Design Application Development And Administration

Students also viewed these Databases questions

Question

Question

Question

Question

Question

Question

Question

Question

Question

Question

Question

Question