Hp Matrix Operating Environment Software Uživatelský manuál Strana 207
- Strana / 233
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Units and terminology
The units and terms listed in the following table are used within Capacity Advisor. For an expanded
list of terminology used within Capacity Advisor and Matrix OE, see the “Glossary” at the end of
this guide.
Table 32 Units and Terminology
MeaningUnit or Key Word
Some newer processors are capable of short bursts of speed above the base speed of the
processor. When Capacity Advisor shows the clock speed of a system, it reports the base speed.
Some other applications (such as the Onboard Administrator) may report the maximum clock
speed. Integrated Lights Out software reports both the base and accelerated (maximum) clock
speed.
Processors are also able to run at slower clock speeds to save power. These different
power/performance states are called P-states, with the fastest P-state called “P0”. When Capacity
Advisor shows the clock speed of a system, it gives the P0 clock speed, as opposed to the current
clock speed.
clock speed
Active data-processing unit within a processor; a processor (CPU) can contain one or more
cores. Multiple cores on the same physical unit provides the capability for multiprocessing within
the same CPU.
core
Central Processing Unit. The computer chip that executes most programming instructions; can
be composed of one or more cores.
CPU
The number or percentage of CPU cores in use.
Each Capacity Advisor data sample represents a five-minute average of CPU cores used over
that period of time. These measurements are calculated by tracking CPU usage within the kernel
at each polling interval in the following manner:
Table 33 Data collection for CPU utilization by platform
Collected FromCalculationPlatform
pstat()Total used CPU ticks during the interval
divided by the total available CPU ticks
during the interval
HP-UX
/proc/statTotal used CPU ticks during the interval
divided by the total available CPU ticks
during the interval
Linux
WMI counterPercent busy since the start of the intervalMicrosoft Windows
HP Virtual Machine
Management Pack
(VMM)
Imported as isProliant VM Host and
VMs
CPU database CPU
tick counters
Total used CPU ticks during the interval
divided by total available CPU ticks during
the interval.
OpenVMS
When monitoring user-defined workloads, CPU and memory utilization for short-lived,
"user-owned" processes may be missed. Short-lived processes are those lasting less than five
minutes that span less than two sample periods. Any "missed" utilization is attributed to system
processes.
CPU utilization
207
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Contents 9 9
- 10 Contents 10
- 1 Introduction 11
- Setup considerations 12
- Upgrades and reinstallation 13
- 14 Introduction 14
- 2 Features 15
- Data collection 16
- Data collection 17 17
- Differences in memory data 19
- Experimentation 20
- Modeling considerations 22
- Capacity Advisor commands 22
- Capacity planning goals 23
- Data normalization 24
- Upper bounds 24
- Headroom 25
- Peaks and sums 25
- Sampling interval 25
- Headroom star rating 26
- Missing or invalid data 27
- Utilization limits 28
- ◦ CPU cores 28
- ◦ Memory 28
- ◦ Network I/O bandwidth 28
- ◦ Disk I/O bandwidth 28
- ◦ Percentage of time limits 29
- Scope of utilization limits 30
- Adjusting power 31
- Exclusion of data points 33
- Forecasting growth 34
- Forecast model attributes 35
- 4 Procedures 37
- Data retention period 38
- Data collection options 38
- 40 Procedures 40
- Viewing the licensed servers 42
- From the command line 44
- Producing graphs and reports 46
- Optimize 48
- Using the report wizard 49
- The report wizard 50
- 52 Procedures 52
- 54 Procedures 54
- Creating a population report 56
- Creating a trend report 56
- Setting utilization limits 57
- Adding a utilization limit 58
- Removing a utilization limit 58
- Forecasting utilization 60
- Forecasting utilization 61 61
- 62 Procedures 62
- Defining a forecast model 63
- Working with scenarios 64
- Creating a planning scenario 65
- Editing a scenario 66
- Controlling the data display 67
- Copying a scenario 68
- Renaming a scenario 69
- Getting there 70
- Deleting a scenario 71
- Working with systems 72
- Adding an existing system 73
- Editing a system 74
- Changing VMs to be servers 74
- Change servers to be VMs 75
- 76 Procedures 76
- Working with systems 77 77
- Moving a virtual machine 78
- Working with workloads 79
- Creating a workload 80
- Editing a workload 81
- Moving a workload 81
- 82 Procedures 82
- Parking a workload 83
- Deleting a workload 83
- Calibrating a single system 85
- 86 Procedures 86
- Begin with a scenario 89
- 90 Procedures 90
- Expected results 91
- Choose the workloads to stack 95
- 96 Procedures 96
- Getting more detail 97
- 98 Procedures 98
- 5 Using Capacity Analysis 99
- Accessing Capacity Analysis 100
- Exploring the Analysis tab 100
- Working with the Analysis tab 101
- Analysis queries table 103
- 104 Using Capacity Analysis 104
- Analysis query results table 105
- Predefined analysis queries 106
- Finding overused systems 107
- Controlling power costs 109
- Prerequisites 109
- Creating the query 109
- 110 Using Capacity Analysis 110
- Constructing a filter 112
- Filter creation tips 114
- Using sub-expressions 114
- Attribute selection 115
- System Tab 116
- Memory Tab 118
- Network Tab 119
- Disk Tab 120
- Power Tab 121
- Custom query examples 122
- Defining the query 123
- Revising the query 124
- Background 125
- Requirements 126
- Custom query examples 127 127
- 128 Using Capacity Analysis 128
- Custom query examples 129 129
- Changing analysis queries 130
- Getting ready 131
- Related topic 133
- Related topics 138
- Adding processor cores 140
- Screen 1 of 3 144
- Screen 2 of 2 145
- Screen 3 of 3 145
- Create a planning scenario 149
- When there is no connection 157
- Data is not being collected 158
- Other possibilities 160
- Setting the time or time zone 160
- 2003 Server 162
- Data cannot be imported 164
- Working with reports 166
- Working with power 167
- Workload issues 168
- Command error messages 171
- Command warning messages 172
- Contacting HP 177
- Related information 177
- Calculation assistance 179
- Memory multiplier 180
- CPU workload multiplier 181
- Memory workload multiplier 181
- Disk I/O workload multiplier 182
- CPU Virtualization Overhead % 183
- Hypervisor memory overhead 184
- 186 Calculation assistance 186
- Command reference 189
- SYNOPSIS 190
- DESCRIPTION 190
- 192 Command reference 192
- Dependencies 193
- EXAMPLES 194
- DOCUMENT LAST UPDATED 194
- RETURN VALUES 197
- FILES ON CMS 198
- SEE ALSO 198
- # capagentlesscfg -m180 202
- Units and terminology 207
- Scenario comparison report 211
- Workload Detail 212
- Scenario Inventory 213
- Glossary 219
- 222 Glossary 222
- 224 Glossary 224
- 226 Glossary 226
- 228 Index 228
- 230 Index 230
- 232 Index 232
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