HP XP Performance Advisor Software - Manual (Page 4)

DKC performance metrics .................................................................................................... 38
5 Introduction to XPSketch .................................................................... 39
Overview ................................................................................................................................. 39
6 Installing XPSketch ............................................................................ 41
Supported Windows platforms ................................................................................................... 41
Installing XPSketch .................................................................................................................... 41
7 Viewing performance metrics in XPSketch ............................................ 45
Loading the Comma seperated file .............................................................................................. 45
Setting the Java heap size value ................................................................................................. 46
Viewing performance metrics in XPSketch ..................................................................................... 46
Understanding performance metrics in XPSketch ........................................................................... 48
8 Working with charts in XPSketch ........................................................ 53
Viewing charts ......................................................................................................................... 53
Modifying chart properties ......................................................................................................... 53
Restoring auto range settings on the chart .................................................................................... 54
Saving and printing the chart ..................................................................................................... 54
A XPWatch use case scenarios ............................................................. 55
Scenario 1: Port I/O spike ......................................................................................................... 55
Business case ..................................................................................................................... 55
Objective .......................................................................................................................... 55
Resolution ......................................................................................................................... 55
Results .............................................................................................................................. 55
Scenario 2: Poor application response ......................................................................................... 55
Business case ..................................................................................................................... 55
Objective .......................................................................................................................... 56
Resolution ......................................................................................................................... 56
Results .............................................................................................................................. 56
B Understanding write ratio in XPWatch ................................................. 57
C Relationship between LDEV I/O response time and Write ratio .............. 59
D Comparing LDEV response time metrics in XP Performance Advisor and
XPWatch ............................................................................................ 61
Maximum values of LDEV response time in XP Performance Advisor and XPWatch ............................. 61
Average values of LDEV response time in XP Performance Advisor and XPWatch ............................... 61
Average read response time ................................................................................................ 61
Average write response time ................................................................................................ 61
9 Support and other resources .............................................................. 63
Contacting HP .......................................................................................................................... 63
Subscription service .................................................................................................................. 63
Documentation feedback ........................................................................................................... 63
HP product documentation survey ............................................................................................... 63
Related information ................................................................................................................... 64
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