May 2017
Beginner to intermediate
596 pages
15h 2m
English
Content preview from Data Lake for Enterprises
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Apache Oozie
Apache Oozie is an open source Java-based web application used for pipeline creation, and it is well integrated with the Hadoop stack.
Oozie can be used to schedule and run Oozie jobs in a Hadoop cluster. It can combine small jobs into more complex ones and can do this according to the pipeline configured to achieve the required use case. Oozie triggers the configured workflow and leverages the Hadoop engine to execute the individual jobs in the workflow.
Job completion of Oozie tasks is detected by two mechanisms, namely, callback and polling. When a job is configured, a callback URL can be configured, which is invoked when the job is completed.
This figure shows the basic working of Oozie:
Figure 16: Basic working of Oozie ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.