Useful Resources

 NoSQL

CAP Theorem

Good Article Explaining Eventual Consistency

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 HBase

HBase Storage Architecture 

HBase vs BigTable 

HBase MapReduce Integration

HBase and HDFS Locality

HBase Coprocessors

HBase Real World Use Cases

Cassandra vs HBase

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 Java

Java Interviews and Basic Concepts

Spring and Web Frameworks

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Spark

Spark Gotchas

Spark Best Practices and Tuning Guide

Spark Memory Management

Tuning GC in Spark

Spark Secondary Sort

How to Implement MapReduce like Spark

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