Daily Archives: April 25, 2014


The main motto of this site is to provide tutorials on Hadoop technology and Big data tools so that any IT programmer can easily learn ¬†the most emerging technology, Hadoop and use it for solving Big data processing problems. All the concepts covered in the site are presented with simple […]

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If none of the built-in Hadoop Writable data types matches our requirements some times, then we can create¬†custom Hadoop data type by implementing Writable interface or WritableComparable interface. Common Rules for creating custom Hadoop Writable Data Type A custom hadoop writable data type which needs to be used as value […]

Creating Custom Hadoop Writable Data Type