Impala Public Jenkins has submitted this change and it was merged.

Change subject: IMPALA-5661: buffer pool limit
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IMPALA-5661: buffer pool limit

Adds the --buffer_pool_limit flag to control the buffer pool size.
It can be specified as either an absolute memory value or a percentage
of the process memory limit

Testing:
Started up a cluster with --buffer_pool_limit=10%, confirmed via
/metrics page that the buffer pool limit was reduced to ~800MB on
my system.

Change-Id: Ia64e21e0d5a7cf35a9064f365c6c86db13fbd73d
Reviewed-on: http://gerrit.cloudera.org:8080/7462
Reviewed-by: Matthew Jacobs <m...@cloudera.com>
Tested-by: Impala Public Jenkins
---
A be/src/common/constant-strings.h
M be/src/common/global-flags.cc
M be/src/runtime/exec-env.cc
M be/src/scheduling/request-pool-service.cc
4 files changed, 68 insertions(+), 17 deletions(-)

Approvals:
  Impala Public Jenkins: Verified
  Matthew Jacobs: Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: Ia64e21e0d5a7cf35a9064f365c6c86db13fbd73d
Gerrit-PatchSet: 6
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins
Gerrit-Reviewer: Matthew Jacobs <m...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>

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