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mapper

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Posted September 17, 2017 In Tech Threads

Steering number of mapper (MapReduce) in sqoop for parallelism of data ingestion into Hadoop Distributed File System (HDFS)

To import data from most the data source like RDBMS, SQOOP internally use mapper. Before delegating the responsibility to the mapper, sqoop performs few initial operations in a sequence once […]

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Posted September 8, 2017 In Tech Threads

Transfer structured data from Oracle to Hadoop storage system

Using Apache Sqoop, we can transfer structured data from Relational Database Management System to Hadoop distributed file system (HDFS). Because of distributed storage mechanism in Hadoop Distributed File System (HDFS), we […]

Data Lake

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Posted April 5, 2017 In Tech Threads

Basic concept on Data Lake

The info graphics representing the basic concept of Data Lake where we can use the approach ELT (Extraction, loading and then transformation) against traditional ETL (Extraction, Transformation and then loading)process. […]