NoSQL

Distributed Counter Performance in HBase – Part 1

Recently I was tasked with setting up an HBase cluster to test compared against Amazon’s DynamoDB offering. The client had tested that it worked well for up to 10k updates/sec, but were concerned about the cost. I set up a 7-node HBase cluster in the following configuration: Node1: NameNode, HMaster, Zookeeper Nodes 2-7: DataNodes, RegionServers…

Exploring Configuration Management with Ansible

What is Ansible? Ansible is a configuration management and deployment system, like Puppet, Capistrano, Fabric, and Chef. Its aim is to be radically simple and let you use your existing scripts to help with cluster configuration and software deployment whenever possible. Here are the ways that Ansible differentiates itself. Simplicity Ansible does not include a client/server…

My First Experience with Cassandra – Part 1

The traditional NoCOUG SQL challenge has been launched this year with a twist: In the wake of the “BigData” trend/buzz, it’s now been upgraded to a “SQL and/vs. NoSQL” challenge. I took on the challenge, treading through my SQL comfort zone and thinking of ways I could bend relational algebra to solve the wicked puzzle suggested this year.

Presentations for Ottawa Oracle User Group

The Ottawa Oracle User Group (OOUG) was kind enough to invite me to give presentations for a whole morning. The group was ultra engaged and asked a lot of good questions, so my usual 50-minute Big Data presentation ended up taking 100 minutes, and the rest of the content had to be squeezed a bit. I hope everyone had a good time!

An overview of Riak

At PalominoDB, we constantly evaluate new technologies and database options for our clients’ environments. NoSQL databases are especially popular right now, and Riak is an increasingly-recommended option for highly available, fault-tolerant scenarios. Moss Gross attended an introductory workshop, and shares his findings here. For more on Riak, please see the Basho wiki. What is Riak?…

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