Hadoop-calvin 0.1.0

Release Notes

Features

• Implement directory tree data model with PostgreSQL in HDFS
• Support open, create, mkdir, rename and delete operations via SQL Query and Update execution
• Remove most of the redundant structures to save memory
• Remove redundant attributes in saving FSImage(HDFS checkpoint for durability) and FSEditLog to reduce IO and disk storage
• Evaluated by NNThroughputBenchmark