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Chapter 18 Setting Up and Monitoring Performance Statistics and Resource Maps

collectioninterval,withlev el4havingthelargestnumberofcounters.Bydefault,all

collectionintervalsusecollectionlevel1.

Table 18‐2,“StatisticCollectionLevels,”onpage 283describesthestatisticscollection

levelsandprovidesrecommendationsonwhentousethem.



NOTEThecollectionlevelforanintervalcannotbegreaterthanthecollectionlevelset

fortheprecedingcollectioninterval.Forexample,iftheMonthintervalissetto

collectionlevel3,theYearintervalcanbesettocollectionlevel1,2,or3,butnotto

collectionlevel4.

NOTEThecollectionlevelvalueforacollectionintervalmustbelessthanorequalto

thecollectionlevelsetfortheproceedingcollectioninterval.ThisisaVirtualCenter

dependency.

Table 18-2. Statistic Collection Levels

Collection Level Metrics Best Practice

Level1Basicmetrics:

 AverageusageforCPU,memory,disk,and

networkcounters

 Systemuptimeandheartbeat

 DRSmetrics

Useforlong‐termperformance

monitoringwhendevice

statisticsarenotrequired.

Level1isthedefaultCollection

LevelforallCollectionIntervals.

Level2 Allmetricsfor:

 CPU,memory,disk,andnetworkcounters

 Average,summation,andlatestrolluptypes

(doesnotincludemaximumandminimum

rolluptypes)

 Systemuptimeandheartbeat

 DRSmetrics

Useforlong‐termperformance

monitoringwhendevice

statisticsarenotrequiredbut

youwanttomonitormorethan

thebasicstatistics.

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ESX QE450.2 Especificaciones Pagina 283