Hive and Hadoop Exceptions

I installed Hive 1.0.0 on Hadoop 1.2.1. When I try to enter the Hive CLI, it reports following exceptions 1org.apache.hadoop.hive.ql.metadata.HiveException:java.io.IOException:Filesystem closed Accor

Data Analysis

A friend of mine asked me what is data analysis. This is a simple but difficult question. It is simple because we talk about data analysis all the time and everywhere. It is difficult because there a

Data Lake Stages

Edd has post a very impressive blog about how Hadoop ecosystem influence the data lake in enterprise recently. It discussed about the four following stages when enterprise’s data evolution to the dr

Setup Spark in MAC

It is great to see that Brew supports install Spark. It makes installation of Spark quite easier in Mac. I just follow few steps to get my spark instance installed locally. 1. Install brew utility.123

Java Programming Books Reviews

Java is one of important programming language in big data ecosystem. Here, I recommand some great Java resource and books, which are very useful for big data development. Java Quick Syntax Reference

Apache Spark Books Reviews

Apache Spark Cookbook Level Ent. Level Mid. Level Adv. I have completed the reading of this book on Dec. 2015. This is really a great a book of learning Apache Spark. It does not spend too

Scala Programming Books Reviews

Begining Scala 2nd ed Level Ent. Level Mid. Read complete this book@Oct. 2014. This book has very quick style of explaining scala with many detail examples. Even some examples has code defect a

Big Data Books Reviews

Hadoop: The Definitive Guide Level Ent. Level Mid. Level Adv. Read complete this book@Dec. 2012. This is a really a good Hadoop book to recommend. I have read both 2nd and 3rd edition. The lates