Category Archives: Cassandra

Cassandra Data Modeling – Primary , Clustering , Partition , Compound Keys


In this post we are going to discuss more about different keys available in Cassandra . Primary key concept in Cassandra is different from Relational databases. Therefore it is worth spending time to understand this concept. Lets take an example … Continue reading

Posted in Best Practices, big data, Cassandra, database, NoSql, Scala | Tagged , , , , , , | 2 Comments

Knolx: Introduction to Apache Cassandra


Hello everyone, Knoldus organized a KnolX session on Friday, 07 October 2016. In that session, we had an introductory session on Apache Cassandra. Cassandra is a distributed database which allows us to store data on multiple nodes with multiple replicas in … Continue reading

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Cassandra with Spark 2.0 : Building Rest API !


In this tutorial , we will be demonstrating how to make a REST service in Spark using Akka-http as a side-kick  😉  and Cassandra as the data store. We have seen the power of Spark earlier and when it is … Continue reading

Posted in Akka, akka-http, apache spark, Cassandra, Scala, scalatest, Spark | Tagged , , , , , , , , , , , , , | 2 Comments

Building Analytics Engine Using Akka, Kafka & ElasticSearch


In this blog , I will share my experience on building scalable, distributed and fault-tolerant  Analytics engine using Scala, Akka, Play, Kafka and ElasticSearch. I would like to take you through the journey of  building an analytics engine which was primarily … Continue reading

Posted in Akka, akka-http, Amazon, Amazon EC2, Apache Kafka, Architecture, AWS, AWS Services, Batch, Best Practices, big data, Cassandra, database, Elasticsearch, Java, Non-Blocking, NoSql, Reactive, S3, Scala, Streaming, Web | 9 Comments

TITAN DB SETUP WITH CASSANDRA


TITAN DB SETUP WITH CASSANDRA CONNECT AND CONFIGURATION OF TITAN-DB WITH CASSANDRA:- Step 1: Download Cassandra Version: apache-cassandra-3.5 . Downlaod TitanDB Version: titan-1.0.0-hadoop1. Step 2 : Extract both downloads ,say in :- /var/lib/cassandra and /var/lib/titan respectively. Step 3: Configure cassandra: If … Continue reading

Posted in Cassandra, Scala, TitanDb | Tagged , , , | 5 Comments

How to setup Cassandra Phantom driver for Scala


Phantom is a high performance Scala DSL for Apache Cassandra and now the leading tool for integrating Cassandra in the Scala Eco-system. So, if you are planning on using Cassandra with Scala, phantom is the weapon of choice. It has … Continue reading

Posted in Cassandra, Scala | Tagged , , , , , | 5 Comments

Scala in Business | Knoldus Newsletter – November 2014


Hello Folks We are back again with November 2014, Newsletter. Here is this Scala in Business | Knoldus Newsletter – November 2014 In this newsletter, you will get to know the popularity of Spark in big data. Spark is getting … Continue reading

Posted in Agile, Akka, Amazon EC2, Cassandra, Clojure, Cloud, Future, Java, LiftWeb, MongoDB, News, Node.js, Non-Blocking, NoSql, Play Framework, Reactive, Scala, Spark, Tutorial, Web | Leave a comment

Scala in Business | Knoldus Newsletter – October 2014


Hello Folks This time I got bit late due to the festival week in India. But i have some intresting stuffs for you only. We are back again with October 2014, Newsletter. Here is this Scala in Business | Knoldus … Continue reading

Posted in Akka, Cassandra, Cloud, Future, Java, JavaScript, LiftWeb, MongoDB, News, Node.js, Non-Blocking, NoSql | 1 Comment

Scala in Business | Knoldus Newsletter – September 2014


Hello Folks We are back again with September 2014, Newsletter. Here is this Scala in Business | Knoldus Newsletter – September 2014 In this newsletter you will get to know how organizations are getting benefits by using Typesafe Reactive Platform, … Continue reading

Posted in Agile, Akka, Amazon EC2, Cassandra, Cloud, Future, Java, LiftWeb, MongoDB, News, Non-Blocking, Play Framework, Reactive, Scala, Spark, Web | Leave a comment

A simple CRUD application in Play! Framework using Kundera and Cassandra as a Database.


playing-kundera-cassandra: This is a classic CRUD application, backed by Play 2.3.0, Kundera & Cassandra. It demonstrates: Accessing a Cassandra database, using Kundera. Achieving, Futures to use more idiomatic error handling. Accessing JS & CSS libraries by WebJars. Bootswatch-United with Twitter Bootstrap … Continue reading

Posted in Akka, Architecture, Bootstrap, Cassandra, CSS, Future, JavaScript, jQuery, Kundera, Non-Blocking, Play Framework, Reactive, Scala, Web | Tagged , , , , , , , , , | 5 Comments