Alexey Serbin has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/20861 )

Change subject: KUDU-3532: Follow up to replica placement bug
......................................................................

KUDU-3532: Follow up to replica placement bug

This patch addresses the feedback left on
patch [1].

ReservoirSample is refactored to accept an
unsigned integer rather than a signed integer.

A new test is added to verify the functionality
of the tiebreaker scenarios of
PlacementPolicy::SelectReplica().

[1] https://github.com/apache/kudu/commit/a84c8376a

Change-Id: I28582cae538ca27fa26fbfae84460b3b264ddb86
Reviewed-on: http://gerrit.cloudera.org:8080/20827
Tested-by: Alexey Serbin <ale...@apache.org>
Reviewed-by: Alexey Serbin <ale...@apache.org>
(cherry picked from commit 2810e635cc72aa5279a9dc787b6becad6e0098a9)
Reviewed-on: http://gerrit.cloudera.org:8080/20861
---
M src/kudu/master/placement_policy-test.cc
M src/kudu/master/placement_policy.cc
M src/kudu/util/random_util.h
3 files changed, 68 insertions(+), 21 deletions(-)

Approvals:
  Alexey Serbin: Looks good to me, approved; Verified

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Gerrit-Project: kudu
Gerrit-Branch: branch-1.17.x
Gerrit-MessageType: merged
Gerrit-Change-Id: I28582cae538ca27fa26fbfae84460b3b264ddb86
Gerrit-Change-Number: 20861
Gerrit-PatchSet: 3
Gerrit-Owner: Mahesh Reddy <mre...@cloudera.com>
Gerrit-Reviewer: Alexey Serbin <ale...@apache.org>
Gerrit-Reviewer: Attila Bukor <abu...@apache.org>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Mahesh Reddy <mre...@cloudera.com>

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