RustyRazorblade Consulting

New people to Apache Cassandra are often concerned about the phrase “eventual consistency.”

Last week I wrote about using PySpark with Cassandra, showing how we can take tables out of Cassandra and easily apply arbitrary filters using DataFrames.

A few months ago I wrote a post on Getting Started with Cassandra and Spark.

Just wanted to let everyone know I’m going to be doing a Google Hangout on Air on Thursday, 2pm PT / 5PM ET on Python Performance Profiling.

I’ve been messing with Apache Spark quite a bit lately.

The webinar from Nov 18, Diagnosing Problems in Production, has been posted to YouTube.

Yesterday I was pulling down some stock data from Yahoo, with the goal of building out a machine learning training set using Spark and Cassandra.

When I moved out of my last place I decided it was time for a grown up desk.

It’s important to be able to maximize turnover and confusion while minimizing employee retention.

Introduction Last week at the Cassandra Summit I gave a talk with Blake Eggleston on diagnosing performance problems in production.

What is Meatbot?

When I started learning Python, there’s a few things I wish I had known about.

I have grown increasingly frustrated with the world as people have become more and more convinced that “schema-less” is actually a feature to be proud of (or even exists).

I’m happy to announce that cqlengine is now using the Python Native Driver.

Introduction Back at my last job, we successfully migrated from MongoDB to Cassandra without any downtime.

Introduction In this post I will provide an introduction to Roadhouse, a python library for managing security group settings across multiple VPCs in AWS.

As cqlengine has picked up in popularity, so has my need to review pull requests.

This was originally posted on the SHIFT developers blog.

A frequently asked question on the mailing list by developers new to Cassandra is if it’s possible to start with a single node and scale up as their needs grow.

I’ve finally gotten sick of having a terrible wireless signal in my room, and I have a server in my office (hard wired via gigabit) so I figured I’d set it up as a wireless access point.

Recently we released version 0.7 of cqlengine, the Python object mapper for CQL3.

In this post I’ll walk through the process of setting up cloudwatch alarms programatically in Python through Boto.

As of Sunday, August 25, rustyrazorblade is now powered by pelican.

This post was originally published on the SHIFT developer blog.

Cassandra is a BigTable inspired database created at Facebook.

Amazon announced high I/O instances today.

I get annoyed when vim jumps to another file when using :make.

I saw this today when trying to run a nosetest in MacVim: DistutilsPlatformError: $MACOSX_DEPLOYMENT_TARGET mismatch: now "10.4" but "10.7" during configure Add this to your .vimrc to fix this weird message. let $MACOSX_DEPLOYMENT_TARGET = "10.7"

I got really excited at the notion of having IPython built into MacVim (vim-ipython), so over the last few days I’ve spent some time mucking around trying to get this whole thing to work.

This isn’t just for virt-manager, but any X-Windows app you’d want to tightly integrate into your daily routine.

I decided to take a look at Drizzle today and was encouraged by what I saw.

It’s been a while since I wrote any C, but I still appreciate reading posts about it. 6 years ago the architect of Varnish wrote an excellent post on how people are still managing their memory incorrectly.

Many command line utils have a . file that people rarely use.

A coworker pointed me to this Nginx module today.

I’ve been doing backend development exclusively for a long time now.

Splitmytab.net is finally for the public to check out.

I’ve updated the Jester wiki with a basic Tutorial featuring examples of creating rules and seeing how events coming into the system are processed.

I’ve started a new open source project called Jester.

I tend to open up several terminals when working on a project, so I usually want them to start in the same directory I’ve been working with.

I ran into an issue installing the MySQLdb module. >>> import MySQLdb /Library/Python/2.7/site-packages/MySQL_python-1.2.3-py2.7-macosx-10.7-intel.egg/_mysql.py:3: UserWarning: Module _mysql was already imported from /Library/Python/2.7/site-packages/MySQ…

In this tutorial I’ll be guiding you through setting up a headless Ubuntu 11.10 box that you’ll manage using virt-manager, accessed via X11.

It’s appropriately named Facebook News Ticker Remover.

About 4 years ago I decided to write a little GUI tool for manually testing API calls.

Running Ubuntu 10.04 LTS, we were seeing an error in trac (File js/jquery.js not found) about jQuery being missing.

I’m finding this useful as I work with snipmate and have defined custom snippets for solr config files.

Here’s a pretty common git error message if you’ve added a remote origin server manually.

easy_install on the mac has some weird hardcoding issue where it uses a specific version of setuptools.

I tried Python out a while ago, but stopped trying it to learn it after some major frustrations.

Excellent question on superuser.com with a fantastic answer.