[kudu-CR] KUDU-1097: scenario for fallen-behind-the-WAL replica

["Alexey Serbin (Code Review)" <ge...@cloudera.org>]

Hello Mike Percy, Kudu Jenkins, 

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

    http://gerrit.cloudera.org:8080/8675

to look at the new patch set (#4).

Change subject: KUDU-1097: scenario for fallen-behind-the-WAL replica
......................................................................

KUDU-1097: scenario for fallen-behind-the-WAL replica

Added end-to-end test scenario for the case when an existing follower
replica falls behind the WAL GC threshold.  First, the system attempts
to replace it with a non-voter where tablet copying fails.  As soon as
that detected, a new non-voter replica is added and the replacement
succeeds, so the tablet configuration eventually gets rid of failed
replicas and contains exactly 3 healthy replicas.

Change-Id: Ifcaff45c9fa3beb51d99dc53d88138da7dc120af
---
M src/kudu/consensus/quorum_util-test.cc
M src/kudu/consensus/quorum_util.cc
M src/kudu/integration-tests/raft_consensus-itest-base.cc
M src/kudu/integration-tests/raft_consensus-itest-base.h
M src/kudu/integration-tests/raft_consensus-itest.cc
M src/kudu/integration-tests/raft_consensus_election-itest.cc
M src/kudu/integration-tests/raft_consensus_nonvoter-itest.cc
M src/kudu/master/catalog_manager.cc
M src/kudu/tserver/tablet_copy_service.cc
9 files changed, 202 insertions(+), 15 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/75/8675/4
-- 
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ifcaff45c9fa3beb51d99dc53d88138da7dc120af
Gerrit-Change-Number: 8675
Gerrit-PatchSet: 4
Gerrit-Owner: Alexey Serbin <as...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>