May 2017
Beginner to intermediate
596 pages
15h 2m
English
Content preview from Data Lake for Enterprises
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Speed layer
The speed layer attributes to the near real time processing layer of Lambda Architecture, where the messages/data are processed as soon as they are ingested and the processed data is stored in the storage layer.
Since the primary need for the speed layer is to make data available in near real time, one has to ensure that the processing, storage and data availability meets the near real time expectation.
This would be possible only if the processing layer, storage layer, and serving layer are all operating at equal velocities to ensure that the data is not getting halted at any point in the flow.
Some of the initial streaming technologies used were Flume with HDFS, which did solve some part of the problem; however, it constrained ...
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