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Hadoop Lambda in Big Data Hadoop

Need both batch and real-time to run in parallel, and add a real-time computational system ( Apache Storm) to batch framework.

The architectural combination of batch and real-time computation is referred to as a Lambda Architecture (λ).

Batch Layer-  manages the master data and pre computes the batch views

Speed Layer - serves recent data only and increments the real-time views

Serving Layer -is  for indexing and exposing the views so that they can be queried.

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