Welcome to grepalex.com!
I'm your host, Alex, and this here site is where I journal things that I discover during my travels as a software guy. If you want to learn more about me, hop on over to my brief bio, or pick up a copy of my book :-) I have some bits and bobs on GitHub, and you can also follow me on Twitter or Google+.
RECENT BLOG POSTS
Configuring memory for MapReduce running on YARN
This post examines the various memory configuration settings for your MapReduce job.
Big data anti-patterns presentation
Details on the presentation I have at JavaOne in 2015 on big data antipatterns.
Understanding how Parquet integrates with Avro, Thrift and Protocol Buffers
Parquet offers integration with a number of object models, and this post shows how Parquet supports various object models.
Using Oozie 4.4.0 with Hadoop 2.2
Patching Oozie's build so that you can create a package targetting Hadoop 2.2.0.
Hadoop in Practice, Second Edition
A sneak peek at what's coming in the second edition of my book.