I/O Q U E U I N G

A C T I V I T Y

 

 

 

OS/390

 

SYSTEM ID IPO4

 

START 11/19/1998-10.30.00 INTERVAL

001.00.00

 

 

 

 

 

 

 

 

 

REL. 02.05.00

 

RPT VERSION 2.4.0

END

11/19/1998-11.30.00 CYCLE 1.000

SECONDS

 

 

 

 

 

 

 

 

TOTAL SAMPLES =

3600

IOP ACTIVITY RATE

AVG Q LNGTH

IODF = 40 CR-DATE: 11/05/98 CR-TIME:

16.56.05 ACT: POR

 

 

 

 

 

 

 

 

 

 

 

00

1615.962

0.07

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

DELAY

% ALL

 

 

 

 

 

 

LCU

CONTENTION

Q

CH PATH

CONTROL UNITS

CHAN

CHPID

% DP

% CU

 

RATE

LNGTH

BUSY

 

 

PATHS

TAKEN

BUSY

BUSY

0026

0.534

0.39

0.21

0026

 

A6

82.864

0.00

9.97

 

 

 

 

 

 

A2

84.151

0.00

9.49

 

 

 

 

0027

 

DA

81.694

0.00

10.65

 

 

 

 

 

 

E9

83.505

0.00

9.89

0031

0.617

0.57

2.06

002E

 

A5

117.30

0.00

13.01

 

 

 

 

 

 

9F

110.59

0.00

14.97

 

 

 

 

002F

 

EA

106.98

0.00

13.26

 

 

 

 

 

 

B5

113.08

0.00

13.37

0063

0.106

0.02

0.01

0034

 

EA

37.748

0.00

1.98

 

 

 

 

 

 

EB

60.421

0.00

1.24

 

 

 

 

0035

 

B4

57.141

0.00

5.16

 

 

 

 

 

 

9E

59.232

0.00

3.06

 

 

 

 

 

 

E4

52.818

9.33

3.80

0071

2.206

0.02

0.05

0030

 

B2

17.382

42.67

0.58

 

 

 

 

 

 

82

16.741

45.13

0.60

 

 

 

 

 

 

98

15.184

50.52

0.52

 

 

 

 

 

 

9C

16.727

44.92

0.53

0076

0.000

0.00

0.00

0041

 

BB

13.857

0.20

0.45

 

 

 

 

 

 

BA

13.856

0.26

0.58

Figure 51. I/O Queuing Activity Report

I/O Performance and Monitoring Tools

131

Page 153
Image 153
IBM 5695-DF1, 5655-DB2 manual 131

5695-DF1, 5655-DB2 specifications

IBM 5655-DB2 and 5695-DF1 are significant components within the IBM software ecosystem, predominantly focusing on data management and integration solutions. These offerings cater primarily to enterprise environments that require robust database management systems and associated frameworks to maintain and manipulate data efficiently.

IBM 5655-DB2 is a well-known relational database management system (RDBMS) that excels in managing large volumes of structured data. Its architecture is designed to support high availability, scalability, and performance, crucial for businesses operating in today’s data-driven world. Some of its main features include advanced indexing capabilities, support for complex queries, and dynamic workload management. Additionally, it provides strong concurrency controls, which enable multiple users to access and manipulate data simultaneously without compromising data integrity.

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