This gist includes components of a oozie workflow application - scripts/code, sample data
and commands;  Oozie actions covered: sub-workflow, email java main action, 
sqoop action (to mysql);  Oozie controls covered: decision;

Pictorial overview:
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http://hadooped.blogspot.com/2013/07/apache-oozie-part-8-subworkflow.html

Usecase:
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Parse Syslog generated log files to generate reports; Export reports to RDBMS;

Includes:
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Sample data defintion and structure  01-SampleDataAndStructure
Data and script download:            02-DataAndScriptDownload
Data load commands:                  03-HdfsLoadCommands
Mysql database setup:                04-mysqlDBSetup
Sqoop task -standalone tryout:       05-SqoopStandAloneTryout
App job properties file:             06-JobProperties
Workflow defintion -Parent:          07-WorkflowXMLMain
Independent test of LogParser jar:   08-LogParserStandaloneTestHowTo
Workflow defintion -DataExporter:    09-SubWorkflowXMLDataExporter
Oozie commands:                      10-OozieJobExecutionCommands
Output of LogParser:                 11a-OutputLogParser
Output in mysql:                     11b-OutputDataExporter
Oozie web console - screenshots:     12-OozieWebConsoleScreenshots
Java LogParser code:                 13-JavaCodeHyperlink