Category Archives: Cassandra

Internal working on Writing and Reading in Cassandra


Apache Cassandra is fast, distributed Database which is built for high availability and Linear Scalability with the Predictable Performance, No SPOF, Multi-DC & easy to manage. Cassandra does not follow the master-slave architecture. It uses Peer to Peer technology. Cassandra … Continue reading

Posted in Cassandra, NoSql, Scala | Tagged | 1 Comment

Store Semantic Web Triples into Cassandra


The semantic web is the next level of  Web Searching where data is more important and it should be well defined. The semantic web is needed for making the web search more intelligent and intuitive to get the user’s requirement. … Continue reading

Posted in Scala, Cassandra, akka-http | Tagged , , , , | 1 Comment

DATA PERSISTENCE IN LAGOM


Are you finding it difficult to understand lagom persistence? Don’t worry because help is right here. In this blog, we will learn about lagom’s persistence with the help of a simple application and also discuss its theoretical aspects. Before we … Continue reading

Posted in Cassandra, database, Microservices, NoSql, Scala | Tagged , , , , , , , , | 5 Comments

Simple Things You Can Learn From Cassandra Nodetool (Monitor/Manage) For DC/OS


Cassandra native tool called nodetool is used for monitoring and managing cassandra cluster for dcos Continue reading

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

Cassandra Internals: Writing Process


What is Apache Cassandra? Apache Cassandra is a massively scalable open source non-relational database that offers continuous availability, linear scale performance, operational simplicity and easy data distribution across multiple data centres and cloud availability zones. Cassandra was originally developed at … Continue reading

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Data modeling in Cassandra


Role of Partitioning & Clustering Keys in Cassandra Primary and Clustering Keys should be one of the very first things you learn about when modeling Cassandra data.  With this post I will cover what the different types of Primary Keys … Continue reading

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Getting Started with Apache Cassandra


Why Apache Cassandra? Apache Cassandra is a free, open source, distributed data storage system that differs sharply from relational database management systems. Cassandra has become so popular because of its outstanding technical features. It is durable, seamlessly scalable, and tuneably … Continue reading

Posted in Cassandra, Scala | Tagged , , , , , , , | 17 Comments

Integrating Play app with Lagom application


What is Lagom? Simply put, it is a microservices tool. Lagom is a microservices framework that guides developers in moving from monolithic to a scalable, resilient microservice based systems. It is a platform delivering you not only the microservice framework … Continue reading

Posted in Cassandra, integration, knoldus, Scala | Tagged , , , , , , , | 3 Comments

Spark Cassandra Connector On Spark-Shell


Using Spark-Cassandra-Connector on Spark Shell Hi All , In this blog we will see how we can execute our spark code on spark shell using Cassandra . This is very efficient at testing or learning time , where we have … Continue reading

Posted in apache spark, big data, Cassandra, Scala, Spark | 2 Comments

Event Sourcing with Eventuate


Hi all, Knoldus had organized an hours session on 3rd February 2017 at 4:00 PM. Topic was Event Sourcing with Eventuate. Many enthusiasts  joined and learned from the session. I am  sharing the slides of the session here. Please let me know … Continue reading

Posted in akka-http, Cassandra, Scala | Tagged , | 2 Comments