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spark-emr-ddb-writetoddb's Introduction

spark-emr-ddb-writetoddb

This example helps you to write Dataset/query output to DynamoDB table.

Steps taken:

  • Create external tables using Hive
  • Run queries on s3 data and save result to genreRatingsCount DataSet
  • Convert the DataSet to RDD and run map function on it to create ITEMs
  • Using saveAsHadoopDataset and DDBConf(emr-ddb-hadoop), write the ITEMs to DynamoDB table.

Command to run

spark-submit --jars /usr/share/aws/emr/ddb/lib/emr-ddb-hadoop.jar --class com.chappidm.spark_emr_ddb.writetoddb.UserRatingCountDDB spark_emr_ddb.writetoddb-0.0.1-SNAPSHOT.jar

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