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Snapshots Report

Daniel Odievich edited this page Aug 13, 2018 · 40 revisions

Overview

Snapshots report provides information about Snapshots, Segments, Exit Calls, traversed Service Endpoints and Business Data for all Snapshots.

Report File Locations

Snapshot report is produced when Input\Snapshots=True and Output.Snapshots=True.

Snapshots report that includes Snapshots, Segments, Exit Calls, traversed Service Endpoints and Business Data has the following file format: Report\Snapshots.<Job File Name>.<Start Date and Time>-<End Date and Time>.xlsx

For example, Snapshots.demo1demo2.ECommerce.2017123001-2017123003.xlsx

Data File Locations

The data for the report is in the following files:

  • Report\SNAP\application.snapshots.csv
  • Report\SNAP\snapshots.businessdata.csv
  • Report\SNAP\snapshots.csv
  • Report\SNAP\snapshots.errors.csv
  • Report\SNAP\snapshots.exits.csv
  • Report\SNAP\snapshots.segments.csv
  • Report\SNAP\snapshots.serviceendpoints.csv

Data Schema

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Report Contents

Data Pivot
1.Parameters
2.Contents
3.Controllers
4.Appplications
5.Snapshots 5.Snapshots.Type, 5.Snapshots.Timeline
6.Segments 6.Segments.Type, 6.Segments.Timeline
7.Exit Calls 7.Exit Calls.Type, 7.Exit Calls.Errors, 7.Exit Calls.Timeline
8.SEP Calls 8.SEP Calls.Type, 8.SEP Calls.Timeline
9.Errors 9.Errors.Type, 9.Errors.Timeline
10.Business Data 10.Business Data.Type, 10.Business Data.Timeline

1.Parameters

This sheet describes the parameters of the extraction and reporting job that produced this report.

Column Data Type Purpose
Controller URL Controller that was queried
UserName String User that was used to retrieve data from the Controller
Application String Name of Application that was queried
ApplicationID Integer ID of Application in Controller

2.Contents

This sheet provides quick access to the contents of this report and provides at-a-glance number of rows in each of the sheet’s tables.

Column Data Type Purpose
Sheet Name String Name of the sheet in the report
Num Entities Integer Number of Entities in that sheet
Link Hyperlink Link to the sheet in the report

3.Controllers

This sheet provides information about Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
UserName String User that was used to retrieve data from the Controller
Version String Version of the Controller
NumApps Integer Number of APM Applications registered in the Controller
ControllerLink URL Link to Controller

4.Applications

This sheet provides Snapshot summary information about all Applications in all Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
ApplicationName String Name of Application
NumSnapshots Integer Total number of Snapshots
NumSnapshotsNormal Integer Total number of Snapshots with Normal user experience
NumSnapshotsSlow Integer Total number of Snapshots with Slow user experience
NumSnapshotsVerySlow Integer Total number of Snapshots with Very Slow user experience
NumSnapshotsStall Integer Total number of Snapshots with Stall user experience
NumSnapshotsError Integer Total number of Snapshots with Error user experience
HasActivity Boolean Whether this Entity had any activity
From DateTime Beginning of time range queried, local time
To DateTime End of time range queried, local time
FromUtc DateTime Beginning of time range queried, UTC time
ToUtc DateTime End of time range queried, UTC time
Duration Integer Duration of time range queried, in minutes
ApplicationID Integer ID of Application in Controller
DetailLink Hyperlink Link to the Entity Details report
ControllerLink URL Link to Controller for this time range
ApplicationLink URL Link to Application in Controller for this time range

5.Snapshots

This sheet provides summary information about all Snapshots that occurred in the specified time range in all Applications in all Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
ApplicationName String Name of Application
TierName String Name of Tier where this Business Transaction started
TierType String Type of Tier where this Business Transaction started
NodeName String Name of Node where this Business Transaction started
AgentType String Type of Agent reporting to this Tier
BTName String Name of Business Transaction
BTType String Type of Business Transaction
UserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR)
RequestID GUID Unique ID of this Snapshot
Occurred DateTime When Snapshot was taken, local time
OccurredUtc DateTime When Snapshot was taken, UTC time
Duration Integer Total duration of Snapshot, in milliseconds
DurationRange String String representing bucket into which Duration fits. See Duration Ranges
EndToEndDuration Integer Calculated duration of snapshot from beginning of the earliest Segment to end of Last one
DurationEndToEndRange String String representing bucket into which EndToEndDuration fits
IsEndToEndDurationDifferent Boolean Whether EndToEndDuration is different than Duration
URL String URL of original request, if it was a web transaction
CallChains String Multi-line representation of all the calls between Tiers, Backends and Applications that occurred. See Call Chains
ExitTypes String List of Exit Types and number of calls made by all Segments during entire execution of Snapshot
CallGraphType String Type of Call Graph (FULL, PARTIAL, NONE)
IsArchived Boolean Whether Snapshot is archived
HasErrors Boolean Whether Snapshot has errors
NumErrors Integer Number of Errors in all Segments of this Snapshot, if it has Errors
DiagSessionID GUID Diagnostic Session ID, if this snapshot was started by one
TakenSummary String Summary narrative for why the Snapshot was taken
TakenReason String Reason the Snapshot was taken
NumSegments Integer Number of Segments in Snapshot
NumCallGraphs Integer Number of Segments that have a Call Graph in this Snapshot
NumCalledBackends Integer Number of called Backends by all the Segments in this Snapshot
NumCalledTiers Integer Number of called Tiers by all the Segments in this Snapshot
NumCalledApplications Integer Number of called Applications by all the Segments in this Snapshot
NumCallsToBackends Integer Number of calls to Backends by all the Segments in this Snapshot
NumCallsToTiers Integer Number of calls to Tiers by all the Segments in this Snapshot
NumCallsToApplications Integer Number of calls to Applications by all the Segments in this Snapshot
NumSEPs Integer Number of SEPs crossed by all Segments in this Snapshot
NumHTTPDCs Integer Number of Business Data entries that were collected via HTTP Data Collectors by all Segments in this Snapshot
NumMIDCs Integer Number of Business Data entries that were collected via MIDCs by all Segments in this Snapshot
ApplicationID Integer ID of Application in Controller
TierID Integer ID of Tier in Application
NodeID Integer ID of Node in Application
BTID Integer ID of Business Transaction in Application
FlameGraphLink Hyperlink Link to the Flame Graph report
Works only if Flame Graph was rendered
SnapshotLink URL Link to Snapshot in the Controller

5.Snapshots.Type

This sheet uses data in 5.Snapshots sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides breakdown of Snapshots by Business Transaction and summarized by User Experience in all Controllers, Applications and Tiers.

Columns Rows Values Filters
HasErrors
CallGraphType
DurationRange
UserExperience
Controller
ApplicationName
AgentType
TierName
BTName
RequestID (Count)

Here is an example of 5K+ Snapshots grouped by Business Transaction and broken out by User Experience:

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5.Snapshots.Timeline

This sheet uses data in 5.Snapshots sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides per-minute summary of Snapshots by User Experience.

Columns Rows Values Filters
Controller
ApplicationName
TierName
BTName
HasErrors
CallGraphType
DurationRange
UserExperience
Occurred
Duration (Average)

In this example, we are showing comparisons between 6PM and 7PM for the events broken out by Severity:

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Filtering on UserExperience=VERY_SLOW and DurationRange:12: 20000<t<=50000, we can see results per hour, clearly showing that those kinds of events are happening in early minutes of 6PM:

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6.Segments

This sheet provides summary information about all Segments in all Snapshots that occurred in the specified time range in all Applications in all Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
ApplicationName String Name of Application
TierName String Name of Tier where this Business Transaction started
TierType String Type of Tier where this Business Transaction started
NodeName String Name of Node where this Business Transaction started
AgentType String Type of Agent reporting to this Tier
BTName String Name of Business Transaction
BTType String Type of Business Transaction
UserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Segment
SnapshotUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Snapshot
RequestID GUID Unique ID of this Snapshot
SegmentID Integer Unique ID of this Segment in this Snapshot
ParentSegmentID Integer The Segment that initiated call to this Segment. 0 if this Segment is the originating Segment
Occurred DateTime When Segment was taken, local time
OccurredUtc DateTime When Segment was taken, UTC time
Timeline String Execution timeline. See Segment Timeline
TimelineResolution Integer Duration of one character in Timeline in milliseconds. One of the following values: 10, 50, 100, 250, 500, 1000
Duration Integer Duration of Segment, in milliseconds
DurationRange String String representing bucket into which Duration fits
CPUDuration Integer CPU time spent executing this Segment
WaitDuration Integer Time spent waiting
BlockDuration Integer Time spent blocked by something else
E2ELatency Integer End to end latency, for times when you have async invocations
URL String URL of original request, if it was a web transaction
CallChains String Multi-line representation of all the calls to Tiers, Backends and Applications that occurred in this Segment
ExitTypes String List of Exit Types and number of calls made by this Segments during execution
UserPrincipal String User that was associated with this execution
HTTPSessionID String HTTP Session ID, if this call was HTTP based and it was available
ThreadID Integer Thread ID of the executing thread
ThreadName String Name of executing thread
CallGraphType String Type of Call Graph (FULL, PARTIAL, NONE)
IsArchived Boolean Whether this Segment is archived
IsAsync Boolean Whether this Segment has async activity
IsFirstInChain Boolean Whether this Segment first in the chain of all Segments in Snapshot
HasErrors Boolean Whether this Segment has Errors
NumErrors Integer Number of Errors in this Segment, if it has Errors
DiagSessionID GUID Diagnostic Session ID, if this snapshot was started by one
TakenSummary String Summary narrative for why the Segment was taken
TakenReason String Reason the Segment was taken
TakenPolicy String Reason the Segment was taken
IsDelayedDeepDive, Boolean Was this Segment part of delayed deep dive policy
DelayedDeepDiveOffSet String Offset from the beginning of snapshot if there was a delayed deep dive
WarningThreshold String Dynamic baseline threshold for Warning managed by agent that took this Segment
CriticalThreshold String Dynamic baseline threshold for Critical managed by agent that took this Segment
NumCalledBackends Integer Number of called Backends by this Segment
NumCalledTiers Integer Number of called Tiers by this Segment
NumCalledApplications Integer Number of called Applications by this Segment
NumCallsToBackends Integer Number of calls to Backends by this Segment
NumCallsToTiers Integer Number of calls to Tiers by this Segment
NumCallsToApplications Integer Number of calls to Applications by this Segment
NumSEPs Integer Number of SEPs crossed by this Segment
NumHTTPDCs Integer Number of Business Data entries that were collected via HTTP Data Collectors by this Segment
NumMIDCs Integer Number of Business Data entries that were collected via MIDCs by this Segment
ApplicationID Integer ID of Application in Controller
TierID Integer ID of Tier in Application
NodeID Integer ID of Node in Application
BTID Integer ID of Business Transaction in Application
SegmentLink URL Link to Segment in the Controller

6.Segments.Type

This sheet uses data in 6.Segments sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides breakdown of Segments by Business Transaction and summarized by User Experience in all Controllers, Applications and Tiers.

Columns Rows Values Filters
HasErrors
CallGraphType
DurationRange
UserExperience
Controller
ApplicationName
AgentType
TierName
BTName
SegmentID (Count)

Here is an example of 13K+ Segments grouped by Business Transaction and broken out by User Experience:

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6.Segments.Timeline

This sheet uses data in 6.Segments sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides per-minute summary of Snapshots by User Experience.

Columns Rows Values Filters
Controller
ApplicationName
TierName
BTName
HasErrors
CallGraphType
DurationRange
UserExperience
Occurred
Duration (Average)

In this example, we are showing comparisons between 6PM and 7PM for the events broken out by Severity:

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Filtering on UserExperience=ERROR, HasErrors=TRUE and CallGraphType=PARTIAL, we can see results per hour, clearly showing that those kinds of events are happening in early minutes of 6PM:

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7.Exit Calls

This sheet provides summary information about all Exit Calls made by all Segments in all Snapshots that occurred in the specified time range in all Applications in all Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
ApplicationName String Name of Application
TierName String Name of Tier where this Business Transaction started
TierType String Type of Tier where this Business Transaction started
NodeName String Name of Node where this Business Transaction started
AgentType String Type of Agent reporting to this Tier
BTName String Name of Business Transaction
BTType String Type of Business Transaction
SegmentUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Segment
SnapshotUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Snapshot
RequestID GUID Unique ID of this Snapshot
SegmentID Integer Unique ID of this Segment in this Snapshot
ToEntityName String Name of Entity that this call was made to
ToEntityType String Type of Entity that this call was made to
Occurred DateTime When Segment was taken, local time
OccurredUtc DateTime When Segment was taken, UTC time
Duration Integer Duration of Exit Call, in milliseconds
DurationRange String String representing bucket into which Duration fits
ExitType String Type of Exit Call
Detail String Detail information of the Exit Call
Framework String Type of framework as determined by indexing process using mapping from MethodNamespaceTypeMapping.csv
Method String Method that made the Exit Call
IsAsync Boolean Whether this Exit Call was asynchronous
URL String URL of original request, if it was a web transaction
CallChain String Single-line representation of the call chain
NumCalls Integer Number of calls made by this method
HasErrors Boolean Whether this Segment has Errors
ErrorDetail String Detail of the Error, if it happened
SQLClauseType String For Type=JDBC, DB and ADODOTNET, Type of SQL clause DML: SELECT, INSERT, UPDATE, DELETE, TRUNCATE; DDL: CREATE, ALTER, DROP; Security: GRANT, REVOKE; Stored Procedures: PROCCALL
SQLJoinType String Join types: INNER, LEFT, RIGHT, FULL, SELF, CROSS
SQLGroupBy Boolean Whether GROUP BY clause is present
SQLHaving Boolean Whether HAVING clause is present
SQLOrderBy Boolean Whether ORDER BY clause is present
SQLUnion Boolean Whether UNION clause is present
SQLWhere Boolean Whether WHERE clause is present
URLCleaned String For Type=URL, WEB_SERVICE and WCF, Cleaned up version of URL with any GUIDs removed
URLScheme String URL scheme
URLHost String URL host
URLPort String URL port
URLPath String URL path
URLQuery String URL query string
URLFragment String URL fragment
URLNumQueryParams Integer Number of URL query string parameters
NumProps Integer Number of properties associated with Exit Call
PropQueryType String Value of QueryType property
PropStatementType String Value of StatementType property
PropURL String Value of URL property
PropServiceName String Value of ServiceName property
PropOperationName String Value of OperationName property
PropName String Value of Name property
PropAsync String Value of Async property
Prop#Name (1-5) String Name of property
Prop#Value (1-5) String Value of property
PropsAll String Name/value pairs for exits, separated by ;, raw data from the values above
ApplicationID Integer ID of Application in Controller
TierID Integer ID of Tier in Application
NodeID Integer ID of Node in Application
BTID Integer ID of Business Transaction in Application
ToEntityID Integer ID of Entity that was called

7.Exit Calls.Type

This sheet uses data in 7.Exit Calls sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides breakdown of Exit Calls by Type, groups them by their Business Transaction and summarized by Number of Calls, Average Duration and Total Duration.

Columns Rows Values Filters
ToEntityType
ToEntityName
RequestID
DurationRange
ExitType
Detail
Controller
ApplicationName
TierName
BTName
NumCalls (Sum)
Duration (Average)

Here is an example showing JDBC calls of type Query with Average duration, Total Duration and Number of calls:

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7.Exit Calls.Errors

This sheet uses data in 7.Exit Calls sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides breakdown of Exit Calls by Errors, groups them by their Business Transaction and summarized by Number of Calls, Average Duration and Total Duration.

Columns Rows Values Filters
ToEntityType
ToEntityName
RequestID
DurationRange
HasErrors
ExitType
ErrorDetail
Detail
Controller
ApplicationName
TierName
BTName
NumCalls (Sum)
Duration (Average)

Here is an example showing JDBC calls of type Query with Average duration, Total Duration and Number of calls:

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7.Exit Calls.Timeline

This sheet uses data in 7.Exit Calls sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides per-minute summary of calls by the Exit Type.

Columns Rows Values Filters
Controller
ApplicationName
TierName
BTName
ToEntityType
ToEntityName
DurationRange
Detail
ExitType
Occurred
Duration (Average)

Once you do, here is an example showing Average duration of all types of exit call calls in 2 hour range:

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Filtering on the JDBC exit type and expanding the time, the report looks a bit more detailed:

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8.SEP Calls

This sheet provides summary information about all Service Endpoints crossed by all Segments in all Snapshots that occurred in the specified time range in all Applications in all Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
ApplicationName String Name of Application
TierName String Name of Tier where this Business Transaction started
TierType String Type of Tier where this Business Transaction started
NodeName String Name of Node where this Business Transaction started
AgentType String Type of Agent reporting to this Tier
BTName String Name of Business Transaction
BTType String Type of Business Transaction
SegmentUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Segment
SnapshotUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Snapshot
RequestID GUID Unique ID of this Snapshot
SegmentID Integer Unique ID of this Segment in this Snapshot
Occurred DateTime When Service Endpoint was called, local time
OccurredUtc DateTime When Service Endpoint was called, UTC time
SEPName String Name of Service Endpoint that was called
SEPType String Type of Service Endpoint
ApplicationID Integer ID of Application in Controller
TierID Integer ID of Tier in Application
NodeID Integer ID of Node in Application
BTID Integer ID of Business Transaction in Application
SEPID Integer ID of Service Endpoint that was called

8.SEP Calls.Type

This sheet uses data in 8.SEP Calls sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides breakdown of Service Endpoint Calls by Service Endpoint Type, groups them by their Business Transaction and summarized by Number of Calls.

Columns Rows Values Filters
RequestID
Controller
ApplicationName
AgentType
TierName
BTName
SEPName
SegmentID (Count)

Here is an example showing Service Endpoint Calls across multiple Controllers:

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Here are all the SERVLET Service Endpoint across 10 Applications across 2 Controllers, broken out by frequency of calls:

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And here is comparison of number of calls to specific Service Endpoint between 2 Applications in 2 Controllers:

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8.SEP Calls.Timeline

This sheet uses data in 8.SEP Calls sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides per-minute summary of count of Service Endpoint Types.

Columns Rows Values Filters
Controller
ApplicationName
TierName
BTName
SEPType
Occurred
SegmentID (Count)

Once you do, here is an example showing Average duration of all types of Service Endpoint Calls that occurred in 2 hour range:

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Filtering on SERVLET type, and expanding the time ranges, we see the following:

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9.Errors

This sheet provides summary information about all Errors that occurred in all Segments in all Snapshots that occurred in the specified time range in all Applications in all Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
ApplicationName String Name of Application
TierName String Name of Tier where this Business Transaction started
TierType String Type of Tier where this Business Transaction started
NodeName String Name of Node where this Business Transaction started
AgentType String Type of Agent reporting to this Tier
BTName String Name of Business Transaction
BTType String Type of Business Transaction
SegmentUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Segment
SnapshotUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Snapshot
RequestID GUID Unique ID of this Snapshot
SegmentID Integer Unique ID of this Segment in this Snapshot
Occurred DateTime When Error occurred, local time
OccurredUtc DateTime When Error occurred, UTC time
ErrorName String Name of Error that occurred
ErrorType String Type of Error
ErrorCategory String Category of Error
ErrorMessage String Message of the Error parsed from Exception call stack and message
ErrorStack String Call stack of the Exception message
ErrorDetail String Detail of the Error, including call stack if available
ApplicationID Integer ID of Application in Controller
TierID Integer ID of Tier in Application
NodeID Integer ID of Node in Application
BTID Integer ID of Business Transaction in Application
ErrorID Integer ID of Error that occurred

9.Errors.Type

This sheet uses data in 9.Errors sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides breakdown of Errors by Type, groups them by their Business Transaction and summarized by number of Errors with specific Message.

Columns Rows Values Filters
RequestID
ErrorType
Controller
ApplicationName
AgentType
TierName
ErrorMessage
SegmentID (Count)

Here is an example of Errors summarized by message:

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9.Errors.Timeline

This sheet uses data in 9.Errors sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides per-minute summary of count of Errors.

Columns Rows Values Filters
Controller
ApplicationName
TierName
BTName
ErrorName
ErrorMessage
ErrorDetail
ErrorType
Occurred
SegmentID (Count)

Here is an example showing Errors in Checkout transaction across multiple Applications in multiple Controllers:

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10.Business Data

This sheet provides summary information about all Business Data (Data Collectors) that were collected by all Segments in all Snapshots that occurred in the specified time range in all Applications in all Controllers covered by this report.

Column Data Type Purpose
Controller URL Controller that was queried
ApplicationName String Name of Application
TierName String Name of Tier where this Business Transaction started
TierType String Type of Tier where this Business Transaction started
NodeName String Name of Node where this Business Transaction started
AgentType String Type of Agent reporting to this Tier
BTName String Name of Business Transaction
BTType String Type of Business Transaction
SegmentUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Segment
SnapshotUserExperience String User Experience (NORMAL, SLOW, VERY_SLOW, STALL, ERROR) of Snapshot
RequestID GUID Unique ID of this Snapshot
SegmentID Integer Unique ID of this Segment in this Snapshot
Occurred DateTime When Data Collector was collected, local time
OccurredUtc DateTime When Data Collector was collected, UTC time
DataName String Name of Data Collector
DataValue String Value of Data Collector
DataType String Type of Data Collector (Transaction, HTTP, Exit, Code)
ApplicationID Integer ID of Application in Controller
TierID Integer ID of Tier in Application
NodeID Integer ID of Node in Application
BTID Integer ID of Business Transaction in Application

10.Business Data.Type

This sheet uses data 10.Business Data sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides breakdown of Exit Calls by Type, groups them by their Business Transaction and summarized by Number of Calls, Average Duration and Total Duration.

Columns Rows Values Filters
RequestID
DataType
Controller
ApplicationName
AgentType
TierName
DataName
SegmentID (Count)

Here is an example of Business Data, filtered to only show MIDCs (Code), and to only show something starting with "customer, summarized by number of occurrences:

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10.Business Data.Timeline

This sheet uses data 10.Business Data sheet as source for pivot table to enable summary reporting and ad-hoc drill-down.

Default configuration provides per-minute summary of count of Business Data.

Columns Rows Values Filters
Controller
ApplicationName
TierName
BTName
DataName
DataValue
DataType
Occurred
SegmentID (Count)

Here is an example showing all types of Business Data across multiple Applications in multiple Controllers in 2 hours:

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Filtering on DataType=Code, DataName=customerCity and BTName=Checkout, we can see how frequently this occurred in the 2 hour range:

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Call Chains

Call chains are displayed for Segments and Snapshots (which as sums of Segments).

Here is an example Call Chain:

(ECommerce-Services)->[HTTP]/[469 ms]-><api.shipping.com>;
(ECommerce-Services)->[HTTP]/[5:(2 ms, 1 ms, 2 ms, 2 ms, 2 ms)]->(Inventory-Services);
(ECommerce-Services)->[JMS]/[2 ms async]-><Active MQ-CustomerQueue>;
(ECommerce-Services)->[JMS]/[5:(2 ms async, 2 ms async, 8 ms async, 3 ms async, 2 ms async)]-><Active MQ-fulfillmentQueue>;
(ECommerce-Services)->[JMS]/[2:(1 ms async, 2 ms async)]-><Active MQ-OrderQueue>;
(ECommerce-Services)->[WEB_SERVICE]/[10:(20 ms, 19 ms, 21 ms, 20 ms, 19 ms, 30 ms, 21 ms, 27 ms, 29 ms, 23 ms)]->(Inventory-Services);
(ECommerce-Services)->[WEB_SERVICE]->(Inventory-Services)->[JDBC]/[13 ms]-><INVENTORY-MySQL DB-DB-5.7.13-0ubuntu0.16.04.2>;

How to read Call Chain:

  • Tiers are in parenthesis ()
    • (ECommerce-Services) is a Tier
  • Backends are in angle brackets <>
    • is a Backend
  • Applications are in curly brackets {}
    • {Ecommerce-Fulfillment} is an Application
  • Calls between are in square brackets []
    • [HTTP]/[469 ms] is an HTTP call that took 469 ms
  • Multiple calls are counted explicity
    • [WEB_SERVICE]/[10:(20 ms, 19 ms, 21 ms, 20 ms, 19 ms, 30 ms, 21 ms, 27 ms, 29 ms, 23 ms)] is a a result of one segment making 10 WEB_SERVICE calls during this Snapshot

Segment Timeline

The Timeline column in Segments is a string representation of the waterfall.

  • Every character in the timeline represents an interval of time
  • Duration of the time is specified in TimelineResolution column
  • "-" dash character represents execution interval
  • "^" caret character represents execution interval AND an Exit Call
  • Number (1, 2, 10, 20 and so forth) represents number of seconds

Here is an example for TimelineResolution=1000:

^-------^10--------20----^---30--^-----40---------
^-------
         ^-------
                 ^-------
                         ^-------
                                 ^------^
                                          ^-------

How to read Timeline:

  • First line represents first segment duration of 50304 ms, with 10, 20, 30 and 40 representing seconds, ^ signs showing Exit Calls early in the call, right before 10 seconds, between 20 and 30 seconds and 30 and 40 seconds
  • Other segments are shown below in the waterfall

Duration Ranges

The ExecRange column in Snapshot, Segment and Exit Call is calculated using the Duration of the event.

The dimension calculates using the value of time using the following values:

  • -1: t<0
  • 00: t=0
  • 01: 0<t<=10
  • 02: 10<t<=50
  • 03: 50<t<=100
  • 04: 100<t<=200
  • 05: 200<t<=500
  • 06: 500<t<=1000
  • 07: 1000<t<=2000
  • 08: 2000<t<=5000
  • 09: 5000<t<=10000
  • 10: 10000<t<=15000
  • 11: 15000<t<=20000
  • 12: 20000<t<=50000
  • 13: 50000<t<=100000
  • 14: 100000<t<=150000
  • 15: 150000<t<=200000
  • 16: 200000<t<=300000
  • 17: t>300000
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