[Impala-ASF-CR] IMPALA-5855: reserve enough memory for preaggs

["Tim Armstrong (Code Review)" <ge...@cloudera.org>]

Tim Armstrong has uploaded a new patch set (#2).

Change subject: IMPALA-5855: reserve enough memory for preaggs
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IMPALA-5855: reserve enough memory for preaggs

The calculation in the planner failed to account for the behaviour of
Suballocator, which needs to obtain at least one buffer to allocate any
memory.

Testing:
Added a regression test that caused a crash before the fix.

Updated planner tests.

Was able to run local stress test binary search to completion (it
previously crashed).

Change-Id: I870fbe2f1da01c6123d3716a1198376f9a454c3b
---
M fe/src/main/java/org/apache/impala/planner/AggregationNode.java
M testdata/workloads/functional-planner/queries/PlannerTest/max-row-size.test
M testdata/workloads/functional-planner/queries/PlannerTest/mt-dop-validation.test
M testdata/workloads/functional-planner/queries/PlannerTest/partition-pruning.test
M testdata/workloads/functional-planner/queries/PlannerTest/resource-requirements.test
M testdata/workloads/functional-planner/queries/PlannerTest/spillable-buffer-sizing.test
M testdata/workloads/functional-query/queries/QueryTest/aggregation.test
7 files changed, 85 insertions(+), 71 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/71/7871/2
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I870fbe2f1da01c6123d3716a1198376f9a454c3b
Gerrit-PatchSet: 2
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Tim Armstrong <ta...@cloudera.com>