spark-instrumented-optimizer/core
Sandy Ryza e52b8719cf SPARK-2553. CoGroupedRDD unnecessarily allocates a Tuple2 per dependency...
... per key

My humble opinion is that avoiding allocations in this performance-critical section is worth the extra code.

Author: Sandy Ryza <sandy@cloudera.com>

Closes #1461 from sryza/sandy-spark-2553 and squashes the following commits:

7eaf7f2 [Sandy Ryza] SPARK-2553. CoGroupedRDD unnecessarily allocates a Tuple2 per dependency per key
2014-07-17 23:57:08 -07:00
..
src SPARK-2553. CoGroupedRDD unnecessarily allocates a Tuple2 per dependency... 2014-07-17 23:57:08 -07:00
pom.xml [SPARK-2399] Add support for LZ4 compression. 2014-07-15 01:46:57 -07:00