Bindings, Platforms, and Innovation
This presentation focuses on the Internet and separating myth from fact, history from the future, and the mundane from the imaginative. Bob Frankston presents a vision of what could and should be.
Tracking change and innovation in the enterprise software development community
Posted by R.J. Lorimer on Oct 10, 2008 01:09 PM
Cascading is a new processing API for data processing on Hadoop clusters, and supports building complex processing workflows using an expressive API as opposed to directly implementing Hadoop MapReduce algorithms.The processing API lets the developer quickly assemble complex distributed processes without having to "think" in MapReduce. And to efficiently schedule them based on their dependencies and other available meta-data.The core concepts of the cascading API are pipes and flows. A pipe is a series of processing steps (parsing, looping, filtering, etc) that defines the data processing to be done, and a flow is the association of a pipe (or set of pipes) with a data-source and data-sink. In other words, a flow is a pipe with data flowing through it. Going one step further, a cascade is the chaining, branching and grouping of multiple flows.
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This presentation focuses on the Internet and separating myth from fact, history from the future, and the mundane from the imaginative. Bob Frankston presents a vision of what could and should be.
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