Hive – Hadoop


HIVE is a framework that sits on top of core Hadoop. It acts as a data warehousing system on top of HDFS and provides easy query mechanisms to the underlying HDFS data. Programming MapReduce jobs could be tedious and will have their own development, testing, and maintenance investments. Hive queries,  called Hive Query Language (HQL) are…

Big Data – Hadoop


Big Data – Hadoop Hadoop is an open source software framework that supports data-intensive distributed applications available through the Apache Open Source community. It consists of a distributed file system HDFS, the Hadoop Distributed File System and an approach to distributed processing of analysis called MapReduce. It is written in Java and based on the…

Installing Mirror Setup in a SQL Server 2012


SQL Server 2012 in a Mirror Enable SQL Server for high availability by enabling them in a mirror setup, There are two modes of database mirroring – synchronous and asynchronous. With synchronous mirroring, transactions cannot commit on the principal until all transaction log records have been successfully copied to the mirror (but not necessarily replayed…

High Availability | Disaster Recovery solutions in SQL 2012


High Availability|Disaster Recovery solutions in SQL 2012 HA – DR in SQL 2012 and Windows 2012, let see the landscape of Available Options for SQL HA-DR specific architectures is improving significantly. Below is a summary of the high availability and disaster recovery solutions available for a SQL environment. Start with, it is important to outline…

Famous Architectures in IT


  If you want to really learn scalability and performance, just take a look at the below mentioned top architectures of the world IT.   1) WhatsApp Architecture   2) Flickr Architecture     3) Amazon Architecture     4) Stack Overflow Architecture   5) Google Architecture   6) YouTube Architecture   7) Pinterest Architecture  …

Amazon Web Services (AWS) – BI


  IT organization is organized in some form of verticals / Strategic Business Units (SBU), or in some other form. These may be grouped by geography / technology / industry groups etc. Almost inevitably every such organization has a cloud computing capability, and most of cloud based projects / architectures are designed and developed by…