Wednesday, September 11, 2013

Apache Oozie - Part 12: Oozie Shell Action + Passing output from one Oozie action to another

I had read about the Oozie capability to allow passing output from one action to another and forgotten about it, sure enough, it came up at an interview.  Here's some sample code...

1.0. What's covered in the blog?

1. Documentation on the Oozie shell action
2. A sample oozie workflow that includes a shell script action that echoes a count of the number of lines in a file glob, and an email action that captures the output of the shell action and email it.

Oozie 3.3.0; Pig 0.10.0

Related blogs:
Blog 1: Oozie workflow - hdfs and email actions
Blog 2: Oozie workflow - hdfs, email and hive actions
Blog 3: Oozie workflow - sqoop action (Hive-mysql; sqoop export)
Blog 4: Oozie workflow - java map-reduce (new API) action
Blog 5: Oozie workflow - streaming map-reduce (python) action 
Blog 6: Oozie workflow - java main action
Blog 7: Oozie workflow - Pig action
Blog 8: Oozie sub-workflow
Blog 9a: Oozie coordinator job - time-triggered sub-workflow, fork-join control and decision control
Blog 9b: Oozie coordinator jobs - file triggered 
Blog 9c: Oozie coordinator jobs - dataset availability triggered
Blog 10: Oozie bundle jobs
Blog 11a: Oozie Java API for interfacing with oozie workflows
Blog 12: Oozie shell action + passing output from one action to another

2.0. Documentation on the Oozie Shell Action

Apache documentation is available at -

3.0. Sample program

4.0. Oozie web console screenshots


  1. CIITN is located in Prime location in Noida having best connectivity via all modes of public transport. CIITN offer both weekend and weekdays courses to facilitate Hadoop aspirants. Among all Hadoop Training Institute in Noida , CIITN's Big Data and Hadoop Certification course is designed to prepare you to match all required knowledge for real time job assignment in the Big Data world with top level companies. CIITN puts more focus in project based training and facilitated with Hadoop 2.7 with Cloud Lab—a cloud-based Hadoop environment lab setup for hands-on experience.

    CIITNOIDA is the good choice for Big Data Hadoop Training in NOIDA in the final year. I have also completed my summer training from here. It provides high quality Hadoop training with Live projects. The best thing about CIITNOIDA is its experienced trainers and updated course content. They even provide you placement guidance and have their own development cell. You can attend their free demo class and then decide.

    Hadoop Training in Noida
    Big Data Hadoop Training in Noida

  2. Big data is having the requirement of many top industries.Big data hadoop online Course

  3. thakyou it vry nice blog for beginners

  4. Good Post! Thank you so much for sharing this pretty post, it was so good to read and useful to improve my knowledge as updated one, keep blogging.

  5. Good Post! Thank you so much for sharing this pretty post, it was so good to read and useful to improve my knowledge as updated one, keep blogging.

    Big Data Hadoop training in electronic city