2 comments on “Getting Introduced with Presto”

Getting Introduced with Presto


Hi Folks! In today‚Äôs blog I will be introducing you to a new open source distributed Sql Query Engine - Presto. It is designed for running SQL queries over Big Data( petabytes of Data). It was designed by the people…

2 comments on “Business Intelligence-Data Visualization: Tableau”

Business Intelligence-Data Visualization: Tableau


Spark, Bigdata, NoSQL, Hadoop are some of the most using and top in charts technologies that we frequently use in Knoldus, when these terms used than one thing comes into picture is 'Huge Data, millions/billions of records' Knoldus developers use…

5 comments on “Cassandra Counter Column And Table”

Cassandra Counter Column And Table


Blog Describes the usage of counter column and table in Cassandra .

1 comment on “Solr Relevance Search Using SolrJ In Scala”

Solr Relevance Search Using SolrJ In Scala


In this blog we will see how we can perform relevance(or relevant) search in solr using solrj Http API in scala . To give brief what is relevance search : - A developer working on search relevancy focuses on the…

7 comments on “Apache spark + cassandra: Basic steps to install and configure cassandra and use it with apache spark with example”

Apache spark + cassandra: Basic steps to install and configure cassandra and use it with apache spark with example


To build an application using apache spark and cassandra you can use the datastax spark-cassandra-connector to communicate with spark. Before we are going to communicate with spark using connector we should know how to configure cassandra. So following are prerequisite…

7 comments on “Handling Large Data File Using Scala and Akka”

Handling Large Data File Using Scala and Akka


We needed to handle large data files reaching size Gigabytes in scala based Akka application of ours. We are interested in reading data from the file and then operating on it. In our application a single line in a file…