Clojure: All content tagged as Clojure in NoSQL databases and polyglot persistence
The Yahoo! Developer Network Blog has ☞ posted the materials presented at Hadoop’s monthly user group meeting. I’ve embedded these below for your convenience:
What’s New With Pig: Alan Gates
Cascalog: Powerful and easy-to-use data analysis tool for Hadoop: Nathan Marz
Cascalog is a Clojure-based query language solution for Hadoop-stored data analysis. Nathan Marz (BackType) is demoing this cool tool:
HBase and Pig: The Hadoop ecosystem at Twitter: Dmitriy Ryaboy
As already mentioned Twitter is extensively using HBase, Pig and Hadoop — in their words Cassandra is OLTP and HBase is OLAP — and Dmitriy provides an overview of their Hadoop-based ecosystem:
-  Yahoo! Developer Network Blog has an article on this topic ☞ Towards Enterprise-Class Compatibility for Apache Hadoop. Considering that after the last release HBase has become a top-level Apache project and that there’s a very strong userbase for HBase and Hadoop, ensuring a healthy ecosystem for all these projects is extremely important. (↩)
If you thought we’re running out of NoSQL Twitter apps, you were definitely wrong because I’ve just got a few more.
A simple Twitter clone in Python and using MongoDB by Michael Dirolf (@mdirolf). Michael has been featured on MyNoSQL a couple of times already:
Swordfish Twitter Clone ☞
Swordfish — a key-value store built on top of Tokyo Cabinet and offering a RESTful HTTP interface — comes with a Twitter clone based on Django.
Another Tokyo Cabinet based Twitter app. There don’t seem to be many details about the project though. (via Matthew Ford)
Last, but not least, don’t forget to check the first series of NoSQL Twitter apps.