[kudu-CR] consensus: Fix NON VOTER ack-counting bug

["Mike Percy (Code Review)" <ge...@cloudera.org>]

Hello Tidy Bot, Alexey Serbin, Kudu Jenkins, 

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

    http://gerrit.cloudera.org:8080/8868

to look at the new patch set (#5).

Change subject: consensus: Fix NON_VOTER ack-counting bug
......................................................................

consensus: Fix NON_VOTER ack-counting bug

This patch fixes an issue where we were not differentiating between
replicating to voters and non-voters.

This enables the test written by Alexey and also makes some changes to
it. The test fails without this patch and passes with the patch.

Tests added:
* Added a unit test in consensus_queue-test
* Updated and enabled the system test in raft_consensus_nonvoter-itest

Change-Id: I13143e9bb4b76af3fd6dada28fcec05b27d24476
---
M src/kudu/consensus/consensus-test-util.h
M src/kudu/consensus/consensus_peers-test.cc
M src/kudu/consensus/consensus_peers.cc
M src/kudu/consensus/consensus_queue-test.cc
M src/kudu/consensus/consensus_queue.cc
M src/kudu/consensus/consensus_queue.h
M src/kudu/consensus/raft_consensus.cc
M src/kudu/integration-tests/raft_consensus_nonvoter-itest.cc
8 files changed, 229 insertions(+), 88 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/68/8868/5
-- 
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I13143e9bb4b76af3fd6dada28fcec05b27d24476
Gerrit-Change-Number: 8868
Gerrit-PatchSet: 5
Gerrit-Owner: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Alexey Serbin <as...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Tidy Bot