Articles having tag: CASSANDRA

Cassandra at Workware Systems: Data Model FTW

Cassandra at Workware Systems: Data Model FTW:One of the stories in which the deciding factor for using Cassandra was primarily the data model and not its scalability characteristics: We started working with relational databases, and began building things...

NoSQL and Relational Databases Podcast With Mathias Meyer

By Alex Popescu

EngineYard's Ines Sombrarecordeda conversation withMathias Meyerabout NoSQL databases and their evolution towards more friendlier functionality, relational databases and their steps towards non-relational models, and a bit more on what polyglot persistence...

Cassandra 1.1 Released: What's New

By Alex Popescu

There are a lot of interesting new features and improvements in the newly released Cassandra 1.1 version to cover them all here, but here's the gist of them: Schema improvementsSupport for compound keys Concurrent schema changes A new version of Cassandra...

NoSQL Releases and Announcements

By Alex Popescu

Catching up after almost two weeks offline is no easy task, but I hope I'll not miss any important events, releases, or posts. But if I do, pleaseemail me. Cassandra 1.0.9: Maintenance Release The complete change notes for Cassandra 1.0.9 arehere: improve...

Here Is Why in Cassandra vs. HBase, Riak, CouchDB, MongoDB, It's Cassandra FTW

By Alex Popescu

Here Is Why in Cassandra vs. HBase, Riak, CouchDB, MongoDB, It's Cassandra FTW:Brian ONeill: Now, since choosing Cassandra, I can say there are a few otherreallyimportant less tangible considerations. The first, is the code base. Cassandra has an extremely...

Cassandra: How to Upgrade an Early Cassandra Cluster -

By Alex Popescu

Cassandra: How to Upgrade an Early Cassandra Cluster -:The Scandit team shares their Cassandra upgrade process from 0.6.x to latest 1.0.x: After extensive testing, we found that it fit our needs and decided to use the 0.6.0 release for our first roll out....

NoSQL Databases Adoption in Numbers

By Alex Popescu

Source of data is Jaspersoft NoSQL connectors downloads.RedMonk published a graphic and an analysisand Klint Finleyfollowed up with job trends: Couple of things I don't see mentioned in the RedMonk post: if and how data has been normalized based...

Which NoSQL Databases Are Robust to Net-Splits?

By Alex Popescu

Answered on Quora: Dynamo (key-value) Voldemort (key-value) Tokyo Cabinet (key-value) KAI (key-value) Cassandra (column-oriented/tabular) CouchDB (document-oriented) SimpleDB (document-oriented) Riak (document-oriented) A couple of clarifications to...

Cassandra + Hadoop + Solr and Sqoop and Log4j => DataStax Enterprise 2.0

By Alex Popescu

The tl;dr version is: DataStax has announced Cassandra + Hadoop + Solr on the same cluster plus Sqoop, Log4j, and workload provisioning = DataStax Enterprise 2.0 For the longer version, there are a couple of new things worth emphasizing in this release: Fully...

NoSQL Hosting Services

By Alex Popescu

NoSQL Hosting Services:Michael Hausenblas put together a list of hosted NoSQL solutions including Amazon DynamoDB and SimpleDB, Google App Engine, Riak, Cassandra, CouchDB, MongoDB, Neo4j, and OrientDB. If you go through myposts on NoSQL hosting, you'll...