Where there is Big Data, there is Hadoop and vice versa. With Big Data analytics becoming as big as they have, Hadoop has become a mainstay in the technology industry.
Hereare a few facts that you should keep in mind when ...
Assuming you have installed Hadoop on your cluster, if not please follow http://code.google.com/p/hadoop-snappy/
This is the machine config of my cluster nodes, though the steps that follow could be followed with your installation/machine configs
pkommireddi@pkommireddi-wsl:/tools/hadoop/pig-0.9.1/lib$ uname -a
Linux pkommireddi-wsl 2.6.32-37-generic #81-Ubuntu SMP Fri ...
Apache Hive is a framework that sits on top of Hadoop for doing ad-hoc queries on data in Hadoop. Hive supports HiveQL which is similar to SQL, but doesn't support the complete constructs of SQL.
Hive coverts the HiveQL query into ...
Once your big data is loaded into Hadoop, what’s the best way to use that data? You’ll need some way to filter and aggregate the data, and then apply the results for something useful. Collecting terabytes and petabytes of web ...
Can you give us some examples how Hadoop is used in real time environment?
Let us assume that we have an exam consisting of 10 Multiple-choice questions and 20 students appear for that exam. Every student will attempt each question. For ...