Developing Apache Storm Applications
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Moving Data Into and Out of a Storm Topology

There are two approaches for moving data into and out of a Storm topology:

  • Use a spout or bolt connector to ingest or write streaming data from or to a component such as Kafka, HDFS or HBase. For more information, see Moving Data Into and Out of Apache Storm Using Spouts and Bolts.

  • Use the core Storm or Trident APIs to write a spout or bolt.