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Big Data 101

Author : Parampreet Singh INTRODUCTION Big Data is the ocean of information we swim in every day – vast zettabytes of data flowing from our computers, mobile devices, and machine sensors. With the right solutions, organizations can dive into all that data and gain valuable insights that were previously unimaginable.
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Apache Ranger Authorization On HDFS

Author: Arjun More. Apache Ranger Authorization On HDFS Authorization, a function of specifying access rights to resources related to information security. Once the user is successfully authenticated, Authorization shall tell us what any given user can or cannot do inside Hadoop cluster. In HDFS this is primarily governed by file permissions. HDFS file permissions are […]
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Metadata and its challenges

Author: Dhirendra Sinha – “A product enthusiast”. Metadata and its challenges   Before jumping onto why we require metadata and the importance of metadata for its Business Users, let us take a step back and explore what exactly is “Metadata”. The term metadata was coined in 1969 by Jack E. Myers for his Metamodel product […]
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In Blog Posted

Format Preservation Encryption

By Hemanth Meka - Senior Associate, Big Data at DataMetica Introduction: FPE is a special type of encryption. While generating the cipher text there is a lot of interest in preserving the type and length so that the cipher text also looks like original text. For example consider phone number, because the phone number is […]
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In Blog Posted

Big Data and the Rise of the Enterprise Data Hub

Dr. Phil Shelley, President, DataMetica Solutions Incorporated and former CIO and recently CTO of Sears Holdings. Dr. Shelley has many years’ experience in CIO/CTO and business leadership roles, now working as part of the DataMetica team to bringing Hadoop and new data architectures to other large enterprises. After decades, where the Enterprise Data Warehouse (EDW) […]
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In Blog Posted

Value of the cloud for Big Data

Dr. Phil Shelley, President, DataMetica Solutions Incorporated and former CIO and recently CTO of Sears Holdings. Dr. Shelley has many years experience in CIO/CTO and business leadership roles, now working as part of the DataMetica team to bringing Hadoop and new data architectures to other large enterprises. After decades, where the Enterprise Data Warehouse (EDW) […]
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