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[SPARK-8357] Fix unsafe memory leak on empty inputs in GeneratedAggregate #7560

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JoshRosen wants to merge 13 commits into from
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[SPARK-8357] Fix unsafe memory leak on empty inputs in GeneratedAggregate #7560

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1b07556
[SPARK-8357] [SQL] Memory leakage on unsafe aggregation path with emp…
navis Jun 14, 2015
d396589
added comments
navis Jun 14, 2015
15c5afc
added a test as suggested by JoshRosen
navis Jun 22, 2015
4d326b9
fixed test fails
navis Jun 22, 2015
51178e8
addressed comments
navis Jun 23, 2015
1a02a55
Rolled-back test-conf cleanup & fixed possible CCE & added more tests
navis Jun 23, 2015
735972f
used new conf apis
navis Jun 23, 2015
143e1ef
fixed format & added test for CCE case
navis Jun 26, 2015
c5419b3
addressed comments
navis Jun 30, 2015
adc8239
Back out Projection changes.
JoshRosen Jul 21, 2015
3c7db0f
Merge remote-tracking branch 'origin/master' into SPARK-8357
JoshRosen Jul 21, 2015
c649310
Revert SparkPlan change:
JoshRosen Jul 21, 2015
3486ce4
Some minor cleanup
JoshRosen Jul 21, 2015
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Merge remote-tracking branch 'origin/master' into SPARK-8357
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@JoshRosen
JoshRosen committed Jul 21, 2015
commit 3c7db0f21747aed8e563dc79c00c15a423cbf369
2 changes: 1 addition & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/execution/GeneratedAggregate.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -286,7 +286,7 @@ case class GeneratedAggregate(

val resultProjection = resultProjectionBuilder()
Iterator(resultProjection(buffer))
} else if (unsafeEnabled && schemaSupportsUnsafe) {
} else if (unsafeEnabled) {
// unsafe aggregation buffer is not released if input is empty (see SPARK-8357)
assert(iter.hasNext, "There should be at least one row for this path")
log.info("Using Unsafe-based aggregator")
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