It’s been few years since I have been working on HIVE, Impala, Spark SQL, PySpark, Redshift and in the journey so far I have migrated many applications in different RDBMS like Teradata, Netezza, Oracle to cloud or on-premise Hadoop environment for various clients. I have seen the change in client preferences from Hive to ACID Hive to Spark SQL to PySpark. In this post I will share my observation so far when it comes to migrating existing Teradata application to Hadoop. First question that shall come to your mind is that if you really want to move to Hadoop ? Few common reasons are: 1)Read More →