Cassandra User Defined Aggregates
I previously posted about Cassandra UDFs. It is worth reading that post before carrying on...
I previously posted about Cassandra UDFs. It is worth reading that post before carrying on...
Cassandra 2.1 has secondary indexes, Casandra 3.0 introduced Materialized views. Now Cassandra 3.4 has a...
User defined types were introduced in Cassandra 2.1.
As of version 2.2 Cassandra supports user defined functions. I wrote about these a while...
Cassandra uses a lot of thread pools under the covers. You can get information about...
Cassandra exposes a lot of metrics. Lets have alook at them in a very rough...
Last time we looked at Cassandra’s ClientRequest metrics. However they only take you so far...
Cassandra records a set of ClientRequest metrics that record min, max, mean as well as...
Disclaimer: C* 3.0 is not released yet and all these examples are from a branch...
My last post was on UDAs in C* 2.2 beta. C*2.2 is now at RC1...
Disclaimer: all this was against 2.2-beta so the syntax may have changed.
Last week I gave a webinar on avoiding anti-patterns in Cassandra. It was good fun...
I work across a desktop and two laptops so reproducible builds mean a lot to...
If you're going down the microservice rabbit whole using frameworks like Spring Boot and Dropwizard...
By far the most common question I get asked when talking about Cassandra is once...
I've previously blogged about other anti-patterns: Distributed joins Unlogged batches
I previously blogged about a Cassandra anti-pattern: Distributed joins. This commonly happens when people move...
This is my second post in a series about Cassandra anti-patterns, here's the first on...
Stubbed Cassandra (Scassandra) is an open source test double for Cassandra. Martin Fowler has a...
There’s a reason when you shard a relational databases you are then prevented from doing...
A lot of people are getting excited about Apache Spark. The release of the open...
In my previous post on Cassandra and Spark I showed how to get a development...
I play with a lot of different technologies and I like to keep my work...
Cassandra's normal use case is vast number of small read and write operations distributed equally...
Yesterday was the EU Cassandra Summit in London, 1000 crazy Cassandra lovers. I've only just...
The LJC conference is a yearly event for Java/JVM developers in London to get together...
Yesterday I gave a talk on how to test Cassandra applications using Stubbed Cassandra at...
I am currently doing a proof of concept with Spark and Cassandra. I quickly need...
So you're tasked with building a service that facades your company's legacy user management system....
In my first post about unit testing Java applications that use Cassandra you had to...
I often get asked what is the best method for unit and and integration testing...
Scassandra (Stubbed Cassandra) is a new open source tool for testing applications that interact with...
My first article on Scassandra introduced what it is and why I've made it. This...
Update your apt source list with the following:sudo vim /etc/apt/sources.list #Add at the bottomdeb http://www.apache.org/dist/cassandra/debian...
I posted some time ago about installing Cassandra on Mac OSX. Admittedly I generally use...
The Datastax Java Driver for Cassandra exposes its strategy for retrying via the following interface:...
Presenter: Johnny Miller Who is he? Datastax Solutions Architect Where? Skills matter exchange in London I went...
What is replication?Most databases offer some way to recover data in the event of hardware...
Cassandra and MongoDB are two of the more popular NoSQL databases. I've been using Cassandra...
Cassandra is fantastic for storing large amounts of data, and as of 1.2/CQL3 working with...
I've recently posted some more tips on using Cassandra on Mac OSX: Cassandra on Mac If...