Impala Public Jenkins has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/10628 )

Change subject: IMPALA-7115: set a default THREAD_RESERVATION_LIMIT value
......................................................................

IMPALA-7115: set a default THREAD_RESERVATION_LIMIT value

The value is chosen to allow only queries that have a reasonable chance
of succeeding, albeit with poor performance because of the high
number of threads.

Testing:
Added a test to make sure that the default value rejects a large query.

Change-Id: I31d3fa3f6305c360922649dba53a9026c9563384
Reviewed-on: http://gerrit.cloudera.org:8080/10628
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
---
M common/thrift/ImpalaInternalService.thrift
M testdata/workloads/functional-query/queries/QueryTest/thread-limits.test
2 files changed, 24 insertions(+), 1 deletion(-)

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

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I31d3fa3f6305c360922649dba53a9026c9563384
Gerrit-Change-Number: 10628
Gerrit-PatchSet: 5
Gerrit-Owner: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>

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