CAP Theorem
Good Article Explaining Eventual Consistency
HBase Storage Architecture
HBase vs BigTable
HBase MapReduce Integration
HBase and HDFS Locality
HBase Coprocessors
HBase Real World Use Cases
Cassandra vs HBase
Java Interviews and Basic Concepts
Spring and Web Frameworks
Spark Gotchas
Spark Best Practices and Tuning Guide
Spark Memory Management
Tuning GC in Spark
Spark Secondary Sort
How to Implement MapReduce like Spark