Hadoop Distributed File System

Hadoop-Hdfs

Hadoop Distributed File System  HDFS was based on a paper Google published about their Google File System.Hadoop Distributed File System (HDFS) is a Java-based file system that provides scalable and reliable data storage that is designed to span large clusters of commodity servers. HDFS runs on top of the existing file systems on each node […]

How Facebook uses Hadoop and Hive

Hadoop Facebook

How Facebook uses Hadoop and Hive Most of the IT Companies are using Hadoop technology why because which can store large datasets and process large datasets.In Hadoop ecosystem which have database(HBase),datawarehouse(Hive),these two components are very useful to storing transcational data in hbase and generate reports by using hive.In traditional RDBMS supports upto certain limit of […]

Hbase Rest Server Interview Questions

Hbase Rest Server Interview Questions

Hbase Rest Server Interview Questions What is full form of Hbase REST ? Hbase REST full form is REpresentational State Transfer What is the main work of Hbase REST ? REST is one type of a Web Service.It relies on a stateless, client-server, cacheable communications protocol and virtually used in all cases What is another […]

Apache Phoenix Over HBase

Apache Phoenix Over HBase

Apache Phoenix Over HBase   Apache Phoenix is a SQL skin over HBase delivered as a client-embedded JDBC driver targeting low latency queries over HBase data(Apache Phoenix Over HBase). Apache Phoenix takes your SQL query, compiles it into a series of HBase scans, and orchestrates the running of those scans to produce regular JDBC result […]

Hadoop mapreduce java program on accident flights

Hadoop mapreduce java program on accident flights

Hadoop mapreduce java program on accident flights Finding how many passengers are traveled in an accident flights based on total fatal injuries total major injuries total minor injuries and total un injures  passengers,count the all four category passengers  in every flight and the total  four category passengers are total number of passengers in a flight. Input Click Here for Input […]