Lately I’ve been adding some random small features to cassandra so I took the time to have a closer look at the internal design of the system.
While with some features added, such as an embedded service, I could have certainly get away without good understanding of the codebase and design, others, such as the truncate [...]
Hector is a Java client for Cassandra I’ve implemented and have written about before (here and here).
What I haven’t written about is its extensive JMX support, which makes it really unique, among other properties such as failover and really simple load balancing. JMX support in hector isn’t really new, but it’s the first time I [...]
I’ve added a very simple load balancing feature, as well as improved failover behavior to Hector. Hector is a Java Cassandra client, to read more about it please see my previous post Hector – a Java Cassandra client.
In version 0.5.0-6 I added poor-man’s load balancing as well as improved failover behavior.
The interface CassandraClientPool used to have this [...]
UPDATE 3: Comments are closed now and for the sake of information reuse, please post all your hector questions to the mailing list hector-users@googlegroups.com and please subscribe to it as well.
UPDATE: I added a downloads section, so you may simply download the jar and sources if you’re not into git or maven.
UPDATE 2: I added [...]
While developing an application at outbrain, using Cassandra I was looking for a good way to test my app. The application consists of a Cassandra Client package, some Data Access Objects (DAOs) and some bean object that represent the data entities in cassandra. I wanted to test them all.
As unit test tradition goes, my requirement [...]
In part 1 of this talk I presented few of the theoretical concepts behind nosql and cassandra.
In this talk we deep dive into the Cassandra API and implementation. The video is again in Hebrew, but the slides are multilingual ;-)
Started with a short recap of some of RDBMS and SQL properties, such as ADIC, why SQL [...]
I’ve recently implemented a code-quality dashboard at outbrain for maven java projects and hooked it into the our TeamCity continuous integration server. I was very pleased with the result, but the process had a few hickups, so I thought I’d mention them here for future generations.
A code quality dashboard includes the following components:
Tests status – [...]
This blog has moved away from GoDaddy hosting to bluehost. I don’t know how good bluehost is (so far it’s been OK) but I know for sure that GoDaddy is pretty darn awful.
Awful as in
So slow that it’s a nightmare to be editing posts online. I had to do them offline and then copy-paste (and [...]
I recently gave a talk at outbrain, where I work, about an introduction to no-sql and Cassandra as we’re looking for alternatives of scaling out our database solution to match our incredible growth rate.
NOSQL is a general name for many non relational databases and Cassandra is one of them.
This was the first session of two [...]
MVC, Model View Controller is a well known design patten from the field of UI frameworks. It advocates the separation of a Model, an application specific data and business logic, Controller, which takes user input, consults the model and determines the correct view to present a user based on its result and a View, the [...]