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Tag Archives: Cassandra

Interacting with Cassandra using the Datastax Java driver

I’m back with more Cassandra and Java integration today this time focusing on using the Datastax Java driver rather than Spring Data Cassandra which I have already written about quite a lot. The Datastax driver is actually used by Spring Data to interact with Cassandra but comes with some extra goodies built on top of it. But we don’t want ...

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Setting Up Cassandra With Priam

I’ve previously explained how to setup Cassandra in AWS. The described setup works, but in some cases it may not be sufficient. E.g. it doesn’t give you an easy way to make and restore backups, and adding new nodes relies on a custom python script that randomly selects a seed. So now I’m going to explain how to setup Priam, ...

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Spring Data support for Cassandra 3

One of the items that caught my eye from the announcement of the new Spring Data release train named Ingalls was that the Spring Data Cassandra finally supports Cassandra 3+. So I revisited one of my old samples and tried it with a newer version of Cassandra. Installing Cassandra The first step is to install a local version of Cassandra and I ...

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NoSQL vs. SQL: Choosing a Data Management Solution

Table Of Contents 1. Introduction 2. Distributed systems: the CAP theorem 3. Relational data stores 3.1. MySQL / MariaDB 3.2. PostgreSQL 3.3. Others 4. Why NoSQL? 5. Key/Value data stores 5.1. DynamoDB 5.2. Memcached 5.3. Redis 5.4. Riak 5.5. Aerospike 5.6. FoundationDB 6. Columnar data stores 6.1. Accumulo 6.2. Cassandra 6.3. HBase 7. Graph data stores 7.1. Neo4J 7.2. Titan ...

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Hello Cassandra

A colleague recently told me about several benefits of Cassandra and I decided to try it out. Apache Cassandra is described in A Quick Introduction to Apache Cassandra as “one of today’s most popular NoSQL-databases.” The main page for Apache Cassandra states that the “Apache Cassandra database is the right choice when you need scalability and high availability without compromising ...

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Broken Glass : Diagnosing Production Cassandra Issues

I just past my second year anniversary at Health Market Science (HMS), and we’ve been working with Cassandra for almost the entirety of my career here.   In that time, we have had remarkably few problems with it.  Like few other technologies I’ve worked with, Cassandra “just works”. But, as with *every* technology I’ve ever worked with, you eventually have ...

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