[SPARK-9747] [SQL] Avoid starving an unsafe operator in aggregation#8038

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andrewor14 wants to merge 14 commits intoapache:masterfrom

andrewor14:unsafe-starve-memory-agg

Commits on Aug 7, 2015

Reserve memory in advance in TungstenAggregate
Andrew Or
committed
Actually request the memory in constructor + add tests
Andrew Or
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Merge branch 'master' of github.com:apache/spark into unsafe-starve-memory-agg
Andrew Or
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Minor: Update comment
Andrew Or
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Merge branch 'master' of github.com:apache/spark into unsafe-starve-memory-agg
Andrew Or
committed

Commits on Aug 10, 2015

Merge branch 'master' of github.com:apache/spark into unsafe-starve-memory-agg
Andrew Or
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Do not acquire a page if creating sorter destructively
Andrew Or
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Merge branch 'master' of github.com:apache/spark into unsafe-starve-memory-agg
Andrew Or
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Address comments
Andrew Or
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Commits on Aug 11, 2015

Fix test
Andrew Or
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Merge branch 'master' of github.com:apache/spark into unsafe-starve-memory-agg
Andrew Or
committed

Commits on Aug 12, 2015

Fix tests
Andrew Or
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Fix tests again
Andrew Or
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Merge branch 'master' of github.com:apache/spark into unsafe-starve-memory-agg
Andrew Or
committed