In the Integration perspective of the Studio, create an empty
Spark Streaming Job from the Job Designs node
in the Repository tree view.
For further information about how to create a Spark Streaming Job, see
Talend Big Data Getting Started Guide
.
In the workspace, enter the name of the component to be used and select this
component from the list that appears. In this scenario, the components are
tHDFSConfiguration, tKafkaInput, tWindow, tExtractJSONFields, tMap, tAggregateRow, tTop and tLogRow.
Connect tKafkaInput, tWindow, tExtractJSONFields and
tMap using the Row >
Main link.
Connect tMap to tAggregateRow using the Row > Main
link and name this connection in the dialog box that is displayed. For example,
name it to hashtag.
Connect tAggregateRow, tTop and tLogRow using the
Row > Main link.
Leave the tHDFSConfiguration component alone
without any connection.
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