Workflow Management
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Sqoop Action Parameters

You can use the Apache Sqoop action to move structured data between Apache Hadoop and relational databases. You can import data into files in a specified location in your Hadoop cluster. You can also use Sqoop to extract data from Hadoop and export it to relational databases outside of Hadoop. Sqoop works with several databases, including Teradata, Netezza, Oracle, MySQL, and Postgres.

Table 7.9. Sqoop Action, General Parameters

Parameter NameDescriptionAdditional InformationExample
Send AsOptions are Command and Args (arguments).  
CommandYou can enter a valid Sqoop command.See the Apache Sqoop documentation for available commands. import --connect jdbc:mysql://wfm.openstacklocal/test --username centos --password-file /user/centos/.password --table wfm --split-by rowkey --hive-import -m 1
ArgsYou can enter one or more valid Sqoop arguments.See the Apache Sqoop documentation for available arguments.




Job XMLYou can select one or more job.xml files to pass Sqoop configuration details. The configuration file that specifies the variables used for the Sqoop action in the workflow. Can be overwritten or replaced by entries under the Configuration section. 

Table 7.10. Sqoop Action, Transition Parameters

Parameter NameDescriptionAdditional InformationDefault Setting
Error ToIndicates what action to take if the action errors out. You can modify this setting in the dialog box or by modifying the workflow graph.Defaults to kill node, but can be changed.
OK ToIndicates what node to transition to if the action succeeds.You can modify this setting in the dialog box or by modifying the workflow graph.Defaults to the next node in the workflow.

Table 7.11. Sqoop Action, Advanced Properties Parameters

Parameter NameDescriptionAdditional InformationExample
Resource ManagerMaster node that arbitrates all the available cluster resources among the competing applications.The default setting is discovered from the cluster configuration.${resourceManager}
Name NodeManages the file system metadata. Keeps the directory tree of all files in the file system, and tracks where across the cluster the file data is kept. Clients contact NameNode for file metadata or file modifications.${nameNode}
FileSelect any files that you want to make available to the Sqoop action when the workflow runs. /user/centos/oozie/apps/sqoop/lib/hive-site.xml
ArchiveSelect any archives that you want to make available to the Sqoop action when the workflow runs. archived data files
PrepareSelect mkdir or delete and identify any HDFS paths to create or delete before starting the job.Use delete to do file cleanup prior to job execution. Enables Oozie to retry a job if there is a transient failure (the job output directory must not exist prior to job start). If the path is to a directory: delete deletes all content recursively and then deletes the directory. mkdir creates all missing directories in the path. 
ArgIdentify any arguments to be passed to Sqoop.  

Table 7.12. Sqoop Action, Configuration Parameters

Parameter NameDescriptionAdditional InformationExample
Name and ValueThe name/value pair can be used instead of a job.xml file or can override parameters set in the job.xml file.

Used to specify formal parameters. If the name and value are specified, the user can override the values from the Submit dialog box. Can be parameterized (templatized) using EL expressions.

See the Apache Sqoop documentation for more information.