[Impala-ASF-CR] Use Google TcMalloc

["Joe McDonnell (Code Review)" <ge...@cloudera.org>]

Hello Impala Public Jenkins, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/22913

to look at the new patch set (#7).

Change subject: Use Google TcMalloc
......................................................................

Use Google TcMalloc

This swaps out the gperftools code for Google tcmalloc. The
definitions of some metrics changed, so this moves from using
PHYSICAL_BYTES_RESERVED to TOTAL_BYTES_RESERVED for memory
used.

This starts a background thread freeing memory at 10MB / sec.

Google TcMalloc benefits from having transparent huge pages
turned on to the "always" mode.

FE tests, ASAN/TSAN builds are currently broken.

Change-Id: Ib224895c43c59671ad58a90d1cfdea8ae7bde6e5
---
M CMakeLists.txt
M be/CMakeLists.txt
M be/src/common/CMakeLists.txt
M be/src/common/init.cc
M be/src/runtime/CMakeLists.txt
M be/src/runtime/bufferpool/system-allocator.cc
M be/src/runtime/exec-env.cc
M be/src/runtime/query-exec-mgr.cc
M be/src/util/CMakeLists.txt
M be/src/util/memory-metrics.cc
M be/src/util/memory-metrics.h
M be/src/util/memusage-path-handlers.cc
M be/src/util/pprof-path-handlers.cc
M bin/bootstrap_toolchain.py
M bin/impala-config.sh
15 files changed, 96 insertions(+), 63 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/13/22913/7
-- 
To view, visit http://gerrit.cloudera.org:8080/22913
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ib224895c43c59671ad58a90d1cfdea8ae7bde6e5
Gerrit-Change-Number: 22913
Gerrit-PatchSet: 7
Gerrit-Owner: Joe McDonnell <jo...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>