Alexey Serbin has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/20535 )

Change subject: [CLI] Set rpc_max_message_size to accommodate huge response 
payloads
......................................................................

[CLI] Set rpc_max_message_size to accommodate huge response payloads

It has been observed that for certain Kudu CLI commands response
payload size is too big to fit in the current default RPC message size
limit of 50MiB. This patch adds logic to set the value of RPC message
max size for Kudu CLI based on maximum available memory or maximum
possible RPC message size limit of 2GiB. This would help accommodate
that extra heavy response payload.

Along with increasing default value of rpc_max_message_size, default
value of tablet_transaction_memory_limit_mb is also set to at least same
value as rpc_max_message_size to pass the group validation check.

This change of default flag values is only applicable to Kudu CLI tool.

Change-Id: Ic27b494bc1fde46c2a095c7291fc840a98429068
Reviewed-on: http://gerrit.cloudera.org:8080/20535
Tested-by: Kudu Jenkins
Reviewed-by: Alexey Serbin <[email protected]>
---
M src/kudu/tools/tool_main.cc
M src/kudu/util/process_memory.cc
M src/kudu/util/process_memory.h
3 files changed, 51 insertions(+), 4 deletions(-)

Approvals:
  Kudu Jenkins: Verified
  Alexey Serbin: Looks good to me, approved

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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: Ic27b494bc1fde46c2a095c7291fc840a98429068
Gerrit-Change-Number: 20535
Gerrit-PatchSet: 5
Gerrit-Owner: Ashwani Raina <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Ashwani Raina <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)

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