Hive: Repair Full Database

Hive provides a command to repair individual tables but lacks a command to repair full database at once Following script can be used to rep...

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Java/JDK 9 Features at a Glance

     Java-9's full-fledged version is yet to be released but here I am going to discuss about its main developer features with refere...

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Cloud Computing: A Look on Telnet and SSH

Telnet: Traditional way to connect Remote Host Overview, Telnet is an OSI Application Layer protocol used to provide a bidirectional i...

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A Look on "Too many open files" Exception

This exception occurs when you are opening a file (or a pipe or a socket) but the number of open file descriptors count already reached t...

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Session and Cookies

What is web Session? An abstract concept to represent a series of HTTP requests and responses between a specific web browser and server. ...

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An Outlook to Hadoop MapReduce Framework

Untitled Document.md MapReduce Operators Mapper Reducer Combiner Partitioner Sorting [GropingComparator and KeyComparator] MapRe...

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Things to Consider while Indexing Large volume of Data to ElasticSearch

Indexing large volume of data usually more than a TB from hadoop to elasticsearch may not work as your expectation,and to get the job do...

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Processing data from AWS S3 using Cascading on Apache Hadoop YARN

S3 Native FileSystem (URI scheme: s3n) A native filesystem for reading and writing regular files on s3. The advantage of this filesystem i...

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