Category Archives: NoSql

Transaction Management in Cassandra


As we are all from the Sql Background and its been ages SQL rules the market , so transaction are something favorite to us . While Cassandra does not support ACID (transaction) properties but it gives you the ‘AID’ among … Continue reading

Posted in big data, Cassandra, NoSql, Scala | 4 Comments

Cassandra Tips And Techniques


Tips and Techniques to Load Data in Cassandra Using Java – Driver .
To Implement Pagination Concepts in various Scenarios in Cassandra Continue reading

Posted in big data, Cassandra, NoSql, Scala | 1 Comment

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

Akka Persistence using MongoDB – Part I


Akka is a powerful actor based tool kit for Concurrency, Parallelism and Clustering. But for every concurrent applications, Akka actors are not fit because Futures are another alternative for performing Concurrency. Most of the developers follow simple rules for using … Continue reading

Posted in Akka, MongoDB, NoSql, Scala, Tutorial | Tagged , , , , , , , , | Leave a comment

Knolx : MongoDB – Replication And Sharding


Hello all, Knoldus organised a knolx session on the topic “MongoDB – Replication And Sharding” on Friday, 4th november and  11th November 2016. MongoDB  is a free and open-source cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB … Continue reading

Posted in database, MongoDB, NoSql, Scala | Leave a comment

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

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

Easiest Way to connect with Couchbase using Scala


In this blog, we have explained how easily we can connect with Couchbase, store and fetch data  using scala through an example. Tools and technologies used : SBT 0.13.8 Scala 2.11.6 Couchbase Server 4.0 Beta Eclipse JDK 1.7 Please follow below … Continue reading

Posted in couchbase, NoSql, Scala | Tagged , | 5 Comments

Scala in Business | Knoldus Christmas Newsletter – December 2014


Hello Folks We are back again with December 2014, Newsletter. Here is this Scala in Business | Knoldus Newsletter – December 2014 In this news letter, you will see that how fast organisations are adopting Typesafe Reactive Platform to get … Continue reading

Posted in Agile, Akka, Amazon EC2, Clojure, Cloud, Future, Java, LiftWeb, MongoDB, News, Non-Blocking, NoSql, Play Framework, Reactive, Scala, Spark | 1 Comment

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