Andrew Or e0110792ef [SPARK-9747] [SQL] Avoid starving an unsafe operator in aggregation ... This is the sister patch to #8011, but for aggregation. In a nutshell: create the `TungstenAggregationIterator` before computing the parent partition. Internally this creates a `BytesToBytesMap` which acquires a page in the constructor as of this patch. This ensures that the aggregation operator is not starved since we reserve at least 1 page in advance. rxin yhuai Author: Andrew Or <andrew@databricks.com> Closes #8038 from andrewor14/unsafe-starve-memory-agg.		2015-08-12 10:08:35 -07:00
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java/org/apache/spark/sql	[SPARK-9747] [SQL] Avoid starving an unsafe operator in aggregation	2015-08-12 10:08:35 -07:00
resources	[SPARK-9763][SQL] Minimize exposure of internal SQL classes.	2015-08-10 13:49:23 -07:00
scala/org/apache/spark/sql	[SPARK-9747] [SQL] Avoid starving an unsafe operator in aggregation	2015-08-12 10:08:35 -07:00