(If you wish to print this page save it onto your computer and then use Excel to open and print the page)

These columns are added together to create the % Capacity figure.

Column Explanations

% Capacity shows the used capacity of the system.

% Degraded shows how much bigger the system needs to be to cope with the current workload efficiently.

% CPU Used is the actual amount of processor used for the capacity calculation.

% Headroom is the amount of CPU which is needed to handle instantaneous peaks in demand

% IO Bound shows how much of the processor cannot be used as the system is waiting for IO events.

System History Report

Monday 06 December 2004

Date

% Capacity

% Degraded

Capacity Breakdown

IO Count

Disk

% CPU Used

% Headroom

% IO Bound

Total

Database

Average Io (ms)

% Busy

% Occupancy

Tuesday 01 June 2004

36.3

2.6

0.0

63,978,629

14,635,205

3.44

7.48

62.20

Wednesday 02 June 2004

29.3

2.3

1.7

78,328,844

12,569,911

3.48

9.16

62.40

Thursday 03 June 2004

29.6

2.0

1.2

33,204,605

9,086,047

6.30

2.81

62.50

Friday 04 June 2004

18.3

1.7

4.6

15,623,659

12,685,710

7.01

3.89

62.50

Saturday 05 June 2004

3.0

0.3

10.2

12,139,650

9,437,132

17.22

6.87

62.40

Sunday 06 June 2004

12.9

0.0

8,482,446

4,139,118

6.74

2.81

62.70

Monday 07 June 2004

22.7

1.5

0.0

84,709,592

978,143

3.07

13.55

62.90

Tuesday 08 June 2004

22.9

2.0

0.2

8,270,278

4,890,821

7.24

3.66

62.70

Wednesday 09 June 2004

20.4

1.8

1.4

11,962,656

7,187,146

7.65

4.63

62.80

Thursday 10 June 2004

21.8

1.9

1.4

12,261,190

8,437,391

6.48

3.56

62.90

Friday 11 June 2004

19.9

0.9

1.4

13,182,119

9,708,169

4.88

10.59

63.00

Saturday 12 June 2004

12.3

0.3

0.1

11,616,248

9,270,014

2.76

8.42

63.00

Sunday 13 June 2004

12.3

0.6

0.8

20,729,262

16,906,196

8.61

4.46

63.30

Monday 14 June 2004

16.3

1.6

3.1

57,139,404

7,656,903

7.57

5.45

63.60

Tuesday 15 June 2004

16.0

1.5

2.3

12,266,718

8,337,743

6.75

2.39

63.70

Wednesday 16 June 2004

16.7

1.6

3.6

11,297,844

8,823,153

6.14

2.55

63.80

Thursday 17 June 2004

21.0

1.9

2.1

12,894,699

9,556,804

6.76

6.56

63.80

Friday 18 June 2004

15.2

1.4

3.9

13,440,188

10,560,433

7.44

4.14

63.80

Saturday 19 June 2004

10.6

0.3

0.0

10,171,927

6,463,322

2.40

5.72

63.70

Sunday 20 June 2004

16.3

1.0

1.4

23,684,314

19,711,148

5.99

7.47

63.50

Monday 21 June 2004

28.1

2.4

15.0

31,180,343

22,363,611

6.62

2.75

63.90

Tuesday 22 June 2004

27.2

2.3

15.5

28,870,267

20,936,471

6.40

4.37

63.80

Wednesday 23 June 2004

16.3

1.5

2.4

12,978,122

9,937,425

6.49

6.29

63.30

Thursday 24 June 2004

17.1

1.6

2.3

13,952,088

10,550,532

5.90

4.94

65.40

Friday 25 June 2004

16.0

1.5

3.6

14,838,609

11,707,776

6.97

3.60

63.40

Saturday 26 June 2004

11.7

0.3

0.1

10,503,524

8,044,591

2.38

8.66

63.50

Sunday 27 June 2004

18.9

0.8

0.9

29,035,382

26,030,622

2.93

13.97

63.30

Monday 28 June 2004

20.4

2.0

9.0

33,274,844

20,872,713

6.36

2.63

63.60