Davies Liu 90c0a04506 [SPARK-14419] [SQL] Improve HashedRelation for key fit within Long ... ## What changes were proposed in this pull request? Currently, we use java HashMap for HashedRelation if the key could fit within a Long. The java HashMap and CompactBuffer are not memory efficient, the memory used by them is also accounted accurately. This PR introduce a LongToUnsafeRowMap (similar to BytesToBytesMap) for better memory efficiency and performance. ## How was this patch tested? Updated existing tests. Author: Davies Liu <davies@databricks.com> Closes #12190 from davies/long_map2.		2016-04-09 00:37:55 -07:00
..
src	[SPARK-14419] [SQL] Improve HashedRelation for key fit within Long	2016-04-09 00:37:55 -07:00
pom.xml	[SPARK-14103][SQL] Parse unescaped quotes in CSV data source.	2016-04-08 00:28:59 -07:00