apache/spark — pull request #608 by liancheng (2014-05-01 04:50:20+00:00)
Title: [SPARK-1678][SPARK-1679] In-memory compression bug fix and made compression configurable, disabled by default

In-memory compression is now configurable in `SparkConf` by the `spark.sql.inMemoryCompression.enabled` property, and is disabled by default.