CHAPTER 13 Monitoring and Tuning Performance

Example of

-contention option

Note The actual -contentionoutput shows Main Cache, Temp Cache, and Memory Manager on the same line. Because this format is very wide, each of these sets of columns is shown separately here.

The -contentionresults for the main cache are:

Options string for Main cache:

"-contention -file_suffix contention-iqmon -append -interval 10" Contention

2000-01-24 10:57:03

AU

 

Main Cache

 

 

 

 

 

 

 

 

LRULks

woTO Loops

 

TOs BWaits IOLock IOWait HTLock HTWait FLLock FLWait

0

66

0

0

0

0

1

0

5

 

0

4

 

0

1

2958

0

0

0

0

160

0

1117

 

0

6

 

0

1

1513

0

0

0

1

378

0

2

 

0

8

 

0

1

370

0

0

0

0

94

0

 

2

 

0

10

0

1

156

0

0

0

0

46

0

 

2

 

0

12 0

1

885

0

0

0

0

248

0

 

2

 

0

14 0

1

1223

0

0

0

0

332

 

1

2

 

0

 

16 0

1

346

0

0

0

0

66

0

2

 

0

18

 

0

The -contentionresults for the temp cache are:

 

 

Temp Cache

 

 

 

 

 

 

LRULks

woTO

Loops

TOs BWaits IOLock IOWait HTLock HTWait FLLock FLWait

70

0

0

0

0

1

0

4

0

5

0

466

0

0

0

0

2

0

15

0

12

0

963

0

0

0

0

2

0

8

0

20

1

1186

0

0

0

0

2

0

2

0

23

1

357

0

0

0

0

2

0

2

0

25

1

444

0

0

0

0

2

0

3

0

29

0

884

0

0

0

0

2

0

2

0

31

1

1573

0

0

0

0

2

0

5

0

37

1

The results for the memory manager are:

Memory Mgr MemLks MemWts

55483 13

5705 0

2048 0

186 4

475

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Image 495
Sybase 12.4.2 manual contentionresults for the main cache are, contentionresults for the temp cache are, 475