High availability via client libraries versus dedicated services
Some newer storage technologies allow you to connect to one of a set of servers right from their client library. For example, MongoDB lets you specify one ho...
Recent Posts
Write CSV data into Hive and Python
Apache Hive is a high level SQL-like interface to Hadoop. It lets you execute mostly unadulterated SQL, like this:
Hive with HBase Quickstart
Though there is some decent documentation, I found that setting up Hive with a HBase back-end to be somewhat fiddly. Hopefully this guide will help you get s...
Happybase Connection Pooling
Wrote a simple connection pool for Happybase using socketpool.
HBase Schema Introduction for Programmers
Schema design in NoSQL is very different from schema design in a RDBMS. Once you get something like HBase up and running, you may find yourself staring blank...
Python pickle AttributeError ‘module’ object has no attribute ‘foobar’
Ran into an interesting edge case with pickle this week. I had a producer task that was querying objects from a database, and pickling them plus a reference ...
Dynamic Attributes in Python
One of the strengths of a dynamic language is that it allows you to more easily work introspection and light weight meta-programming into your every day code...
Introducing Advocoders
Update: this app was decommissioned in 2022
Using HBase/Thrift through the Rackspace Load Balancer
Using the binary Thrift protocol through a load balancer can be a little tricky. While it works out of the box in HAProxy, you may run into some slight troub...
Mocking HappyBase for unit testing HBase code
HappyBase is a friendly interface to interact with HBase from Python. It lets you perform basic HBase operations like get, put and scan. But say you have a b...