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Chapter 18 Setting Up and Monitoring Performance Statistics and Resource Maps

3 (Optional)Validatethechangebyusingthedatabaseestimationcalculator.

 EnterthenumberofPhysicalHostsinyourinventory.

 EnterthenumberofVirtualMachinesinyourinventory.

To estimate the statistics impact on the database

1Configureyourcollectionintervals.See“Toconfigurecollectionintervals.”

2EnterthenumberofPhysicalHostsinyourinventory.

3EnterthenumberofVirtualMachinesinyourinventory.

Performance Charts

Performancechartsdisplayperformancedataforavarietyofmetrics.Performance

chartsareaccessiblethroughthePerformancetab,whichisavailableforhosts,clusters,

resourcepools,andvirtualmachines.Performancedataisspecifictothetypeofobject.

Forexample,virtualmachineperformancemetricsaredifferentfromcluster

performancemetrics.

Charts

candisplayreal‐timedata(20secondintervalsforESXServer3.xhosts;60

secondintervalsforESXServer2.xhosts)orhistoricaldata.Theamountofhistorical

datacollecteddependsonthefollowingsettings:

 StatisticsCollectionIntervals

 StatisticsCollectionLevels

Formoreinformationonthesesettings,see“ConfiguringStatisticsCollection

Intervals”onpage 287.

Real‐timedatacanbeviewedthroughaVIClientconnectedtoeitheraVirtualCenter

serverordirectlytoanESXServerhost.Historicaldata,however,canbeviewedonly

throughaVIClientconnectedto

VirtualCenter.Allperformancedataisavailableto

externalprogramsthroughtheVMwareInfrastructureSDK.

OTEFullchartfunctionalityisavailabletoVIClientsessionsonlywhentheyare

connectedto,andwhenthemonitoreditemsaremanagedby,VirtualCenter.VIClients

connecteddirectlytoESXServerhostsonlydisplayreal‐timestatisticsand5minute

statisticsfor1day.

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ESX QE450.2 Spezifikationen Seite 289