fix bug in tweet generator
fix a bug in relational data gen
spark local directory configuration
merging master
Update spark-env.sh
Update spark-env.sh
bug fix in spark workflow
optimization in spark graph workflow
add pure json implementation for vertica
Merge branch 'master' of https://github.com/bigframeteam/BigFrame
improved bagel implementation and added it as a configuration option
Bagel configuration option
Added degree of parallelism to spark jobs.
Added a configuration parameter bigframe.spark.dop
Spark degree of parallelism configuration
Kryo serializer
added the hive orc feature as a configuration
fix bug for tweet gen
add profiler for vertica workflow
seperate out the hive create table statment
Added few more Spark tuning parameters.
TODO: modify spark-env.sh