Mention the components that are used for streaming the flow of data.

Sharad Jaiswal
Sharad Jaiswal

Posted On: Feb 22, 2018

 

There are three components that are used to streamflow of data.

1. Bolt2. Spout3.Tuple 
In a storm, the processing logic unit is represented by the bolt.In a storm, the source of the data is represented by the spout.In a storm, a tuple is the major data structure.
Bolt is used for doing all types of processing which includes filtering and interaction to the data. Bolts also have the duty of acknowledging the processing done by tuples.The spout is used for reading data through the data sources. Broadly, spouts are classified into two categories. These are called Reliable and Unreliable.Tuples are helpful with its helper methods which help in getting field values without the need for casting the result.

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