December 2015
Beginner to intermediate
122 pages
2h 23m
English
Content preview from Building Python Real time Applications with StormBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Storm-topology-specific terminologies
A topology is a logical separation of programming work into many small-scale processing units called spout and bolt, which is similar to MapReduce in Hadoop. A topology can be written in many languages, including Java, Python, and lot more supported languages. In visual depictions, a topology is shown as a graph of connecting spouts and bolts. Spouts and bolts execute tasks across the cluster. Storm has two modes of operation, called local mode and distributed mode:
- In local mode, all processes of Storm and workers run within your code development environment. This is good for testing and development of topologies.
- In distributed mode, Storm operates as a cluster of machines. When you submit topology code to ...
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