Convert to most succinct unit
Fix bug in computeRate
Expose number of "live" nodes
TABLESAMPLE BERNOULLI Implementation.
Update to hadoop-cdh4 0.3 and hive-apache 0.3
Lazily load RecordCursor in RecordProjectOpereator
Fix comment about HiveCluster
Allow having multiple Hive plugins
Allow using Hive plugin without discovery
Taking care of boundary case conditions in the TABLESAMPLE operator
Revert "Lazily load RecordCursor in RecordProjectOpereator"

This reverts commit 0db8297af78a58f0aefa5895e607b1b0bdcaed8e.
Remove lock contention between SqlTaskExecution and TaskExecutor
Remove misleading runningDrivers stat rename startedDrivers to runningDrivers
Force start unpartitioned drivers and reduce guaranteed splits per task
Assure operators are closed
Reorganize operator stats so input is followed by output
Add queued and wall time stats to TaskExecutor
Add input and output stats to SqlTaskManager
Remove unnecessary parenthesis
Add failure info to completion events