Big Data Management Administrator Guide

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MappingExecutionSteps

With the MappingExecutionStats REST API, you can view execution steps for Hadoop jobs. You can also view the scripts for Hadoop jobs with the fetchScripts option.

GET Request

To request information from the MappingExecutionSteps with the associated scripts within the Hadoop scripts, use the following URL:

<RESTOperationsHubService_Host>:<RESTOperationsHubService_Port>/RestOperationsHub/services/v1/MappingService/MappingExecutionSteps(jobId='id',fetchScripts=true)

To request information from the MappingExecutionSteps without the associated scripts within the Hadoop scripts, use the following URL:

<RESTOperationsHubService_Host>:<RESTOperationsHubService_Port>/RestOperationsHub/services/v1/MappingService/MappingExecutionSteps(jobId='id',fetchScripts=false)

The following table describes the required attributes in the MappingExecutionSteps Get URL:

Field	Type	Description
userName	String	Required. User name to connect to the domain. You can pass the input value as a header.
encryptedpassword	String	Required. Password for the user. Encrypt the password with the pmpasswd command line program. You can pass the input value as a header.
securityDomain	String	Optional. The security domain to which the domain user belongs. You can pass the input value as a header.
jobId	String	Required. The argument of the entity that contains the ID for the mappings. You can pass the input value as a query.
fetchScripts	String	Required. Gets all associated scripts within the Hadoop scripts. You can enter true to get the associated run tasks with the scripts. To get the associated run tasks without the scripts, enter false.

Get Response

Return information for the MappingExecutionSteps for the specified Job ID.

The following table describes the MappingExecutionSteps attributes present in the body of the response for Blaze environment:

Field	Description
Session Task	Response can include three types of session tasks that are pre session task, main session task, and post session task. The main session task can contain Submappings.
Instances	Transformation or object name.
endTime	End time of the job.
startTime	Start time of the job.
errorCode	Error code.
name	Name of the submapping task based on the run-time environment.
state	State of the mapping run.
subExecutionStepStat	Statistics for the sub execution step.
numOfFailedTasklets	Number of failed tasklets.
numOfSucceededTasklets	Number of succeeded tasklets.
numOfTasklets	Number of tasklets.
percentageCompletion	Percentage completion of tasklets.
webPageURL	Blaze monitoring tasklet URL.
incomingDependencies	Incoming dependencies contain pre session tasks.
outgoingDependencies	Outgoing dependencies contain post session tasks.

The following table describes the MappingExecutionSteps attributes present in the body of the response for Spark environment:

Field	Type	Description
jobId	String	The argument of the entity that contains the ID for the mapping.
fetchScripts	String	Gets all associated scripts within the Spark scripts. You can enter true to get the associated run tasks with the scripts. To get the associated run tasks without the scripts, enter false.
executionStepStats	n/a	Container for the statistics related to mapping execution steps.
endTime	Integer	End time of the job.
startTime	Integer	Start time of the job.
errorCode	Integer	Error code.
errorMessage	Integer	Error message.
name	String	Name of the main mapping task based on the run-time environment.
state	String	State of the job run.
subExecutionStepStats	Integer	Statistics for the subexecution step statistics.
jobTrackerURL	String	The URL to the job tracker.
query	String	The main Spark query.

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Table of Contents

Big Data Management Administrator Guide

Big Data Management Administrator Guide

MappingExecutionSteps

MappingExecutionSteps

GET Request

Get Response