Tag Archives: BigData

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 … Continue reading

Posted in Scala, Tableau | Tagged , , , , , , , , | 2 Comments

Cassandra Counter Column And Table


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

Posted in big data, Cassandra, NoSql, Scala | Tagged , , , , | 5 Comments

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 … Continue reading

Posted in big data, Scala | Tagged , , , , | 1 Comment

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 … Continue reading

Posted in Scala, Spark | Tagged , , , , | 7 Comments

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 … Continue reading

Posted in Scala | Tagged , , | 5 Comments