1.2
Table Of Contents
- VMware vCenter AppSpeed User’s Guide
- Contents
- About This Book
- AppSpeed Overview
- Viewing Performance Data
- AppSpeed Views
- Viewing Summary Data for Applications and Servers
- Viewing Application Data
- Viewing Server Data
- Viewing Transaction Data
- Performance Indicators
- Working with the Topology Map
- AppSpeed Administration
- Event Management
- Troubleshooting Errors While Using AppSpeed
- Index
VMware vCenter AppSpeed User’s Guide
16 VMware, Inc.
View Full Transaction Name
Thefullnameofatransactionisoftentruncatedbecauseofspacerestrictionsinthenamefield.Youcandisplay
thefullnameonthetransaction’sPropertiespage.
View full transaction names
1Double‐clickatransaction.
2ClickPropertiesonthepageselectionbar.
ThefullnameappearsintheDescriptionfield.Forexample,aURLappears
foranHTTPtransaction,and
adatabasequeryappearsforadatabasetransaction.
Performance Indicators
Table 2‐3liststheperformanceindicatorsthatAppSpeedmonitors.Theperformanceindicatorsdisplayed
varyaccordingtotheselectedview.
Table 2-3. AppSpeed Performance Indicators
Performance Indicator Description
AverageLatency Measuredtimebetweenthestartoftheclientrequesttotheendoftheserverreply,
averagedacrossallhitsin thespecifiedtimeframe.Agreatervaluemeansaslowerserver
response.
AverageReplySize Averagesize,inbytes,ofasingleserverreply,averagedacrossallhitsin
thespecified
timeframe.
AverageThroughput Averagenumberofreplybytespersecondinthespecifiedtimeframe.
ErrorPercentage Percentageoferrorhitsasaportionofthetotalhitsinthespecifiedtimeframe.
ExecutionTime Sumofalllatenciesinthespecifiedtimeframe.Thisvaluereflectsthetotalamount
of
timeofallserverrepliesinthespecifiedtimeframe.
HitRate Averagenumberofhitspersecondinthespecifiedtimeframe.
LatencyBaseline AveragelatencyofallhitssincetheAppSpeedServerstartedrunning.
LatencyBreakdown
Application:Thelatencymeasuredfromthetimetheserverreceivesthefirstpacket
oftherequestuntilitstartstotransmitthereply.
Infrastructure:Thelatencymeasuredfromthetimetheserverstartstransmittingthe
replyuntilfullyreplyingtotheclientʹsrequest.
Network(RTT):Theaverageround‐triptime,withoutfailures,fromclienttoserver.
NetworkOverhead:Thecostofpacketretransmissions,errors,anddrops.
Latency%ofBaseline Percentageoflatencyaboveorbelowthebaseline.
LatencySTDEV Thestandarddeviationofthelatencyofallofthehitsinthespecifiedtimeframe.
Max.Latency Thelatencyoftheslowesthitinthespecifiedtimeframe.
SLA
percentage ThepercentageofhitsthatwerenoterrorsandthathadlatencywithinSLAlevels.
TotalErrors Thetotalnumberofhitsidentifiedaserrorsinthespecifiedtimeframe.
TotalHits Thetotalnumberofhitsinthespecifiedtimeframe.
TotalThroughput Thetotalnumberofreplybytesinthespecified
timeframe.