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Recently in Cascading Category
A 40 minute video of me butchering common patterns in MapReduce at Buzzwords this year.
Chris Wensel COMMON MAPREDUCE PATTERNS from ntc GmbH on Vimeo.
I was approached by a fellow at Strata who asked me why Cascading wasn't free or open-source. I replied that it is, "it is open-source and totally free". He then asked me why I don't accept patches, clearly a misconception that's been floating around (see the end). Of course I replied, "because your patch will suck". Then I explained why.
Continue reading Your Patch Sucks.
From Secrets of BackType's Data Engineers:
Cascalog is one of their secret weapons, a Clojure-based query language for Hadoop that makes it simple for them to analyze their data in new ways. Inspired by the venerable Datalog, and built on top of Cascading, it allows you to write queries in Clojure and define even complex operations in simple code. Unlike alternatives like Pig or Hive, it's written within a general-purpose language, so there's no need for separate user-defined functions, but it's still a highly-structured way of defining queries.
It's worthy of note that Cascalog is a distant child of cascading-clojure, created and used by FlightCaster. FlightCaster was acquired this week.
I've just pushed Cascading 1.2 up. It has a number of performance improvements everyone will benefit from out of the box.
Here is a repost of an answer I gave on Quora: "How fast is Cascading compared to Pig or Hive?"
Continue reading Repost of "How fast is Cascading compared to Pig or Hive?".
The new Strata Conference has just been announced with a Call for Proposals ending Sept 28. This new conference is on the 'business of data' and is the sister conference to Velocity. I'm excited to be a committee member.
I'll be at the (and a sponsor of) the BigDataCamp the night before the Hadoop Summit. Sign up if you haven't.
The first ever Cascading User Group will be this Thursday, September 24th, at RapLeaf.
There will be discussions on the future of Cascading, the work done by the FlightCaster folk integrating Cascading with Clojure, and various tips and techniques.
Hope to see you there.
A pre-release of the upcoming Cascading 1.1 version is now available. Read more about its new features here in this announcement.
