#bytescrolls

#docker #datastax There are some docker images available here . If you don't have docker, download and install docker toolbox from her...

#graph #recommendation #orientdb #e-commerce #etl In the last post, I have introduced you to a simple ETL use case for graph database lik...

#orientdb #graph #etl #java #database As someone who is familiar with graph data structures would like to know how we can map real-world ...

#spark #hadoop #analytics #apache #zeppelin #scala I was looking for a cool dashboard based query interface for analytics. I stumble...

Most java developers are familiar with json parsing and object mapping using Jackson library 's object mapper functionality that en...

For Hive, the meta-store is like the system catalog which contains metadata about the tables stored in Hive. This metadata is specified duri...

#bigdata Came across an interesting presentation on Using Data to Understand Brain.   Using Data to Understand the Brain from jakeho...

#distributed #nosql

Here’s what each language natively supports in its standard distribution . Unicode J avascript ᴘʜᴘ Go   Ruby   Python ☕ Java...

At first, the term " machine-generated  data " can be confusing. One would think,  every data is (or are?)  generated from one de...

#Nodeable is a good example of generating #insights from #bigdata or the real time trickle feeds. It uses Twitter's Storm for the pro...

Had a chance to attend the #hadoop #meetup today at # Inmobi Bangalore.   Arun Murthy and Suresh Srinivasan from Hortonworks made presen...

Simple: CREATE INDEX idx ON TABLE tbl(col_name) AS 'Index_Handler_QClass_Name' IN TABLE tbl_idx; As to make pluggable indexin...

Cascading helps manipulating data in Hadoop . It is a framework written in Java which abstracts map reduce that allows to write script...

  Prometheus   film, going viral... like a fire that danced at the end of the match. Aha! cybernetic life-forms... The only "pur...

Collusion! A secret agreement between two or more parties for a fraudulent, illegal, or deceitful purpose. In this battleground of p...

As semantic web and big data integration gaining its fus-ro-dah , enterprises are finding a way to harness any available form of information...

What is a consistent hash function? A consistent hash function is one which changes minimally as the range of function changes. What...

As an alternative to mapreduce paradigm, there is another parallel computing model  called Bulk Synchronous Parallel(BSP). A BSP computer is...

This is a simple linear time voting algorithm designed by Robert S Boyer and J Stother Moore in 1980 which is discussed in their paper MJRTY...

There is a descending iterator in linked list implementation in Java SDK. A humble private class in LinkedList. A good example of adapter. ...

I have written about serialization mechanism of Protocol Buffers previously. Similarly,  Apache Avro provides a better serialization framew...

A Bloom filter is a probabilistic data-structure. This can be used to store a set of data in a space-efficient manner. For eg; a distribute...

avro-log4j   -  serialization mechanism to provide a layout for log4j firetester     -  A simple RESTful services testing tool written in ...

Inspired from the question that found in stackoverflow, I started looking up for the uses. I found some pretty interesting ones... VM ...

If you are familiar with POSIX which is a collection of standards which enables portability of applications across OS platforms. It provi...