Marton Greber has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/21073 )

Change subject: Auto-rebalancer: clear replace marker on failed moves
......................................................................

Auto-rebalancer: clear replace marker on failed moves

When CheckMoveCompleted fails, best-effort clear the replace marker on
the source replica and drop the move so rebalancing can continue.
Add a test that forces move failure and verifies no replica remains
marked for replacement.

Change-Id: I99dafa654878b9d6d8162d84500913ae0655692b
Reviewed-on: http://gerrit.cloudera.org:8080/21073
Reviewed-by: Zoltan Chovan <[email protected]>
Tested-by: Zoltan Chovan <[email protected]>
Reviewed-by: Marton Greber <[email protected]>
---
M src/kudu/master/auto_rebalancer-test.cc
M src/kudu/master/auto_rebalancer.cc
M src/kudu/master/auto_rebalancer.h
3 files changed, 116 insertions(+), 0 deletions(-)

Approvals:
  Zoltan Chovan: Looks good to me, approved; Verified
  Marton Greber: Looks good to me, but someone else must approve

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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I99dafa654878b9d6d8162d84500913ae0655692b
Gerrit-Change-Number: 21073
Gerrit-PatchSet: 20
Gerrit-Owner: Song Jiacheng <[email protected]>
Gerrit-Reviewer: Abhishek Chennaka <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Gabriella Lotz <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Mahesh Reddy <[email protected]>
Gerrit-Reviewer: Marton Greber <[email protected]>
Gerrit-Reviewer: Song Jiacheng <[email protected]>
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: Wang Xixu <[email protected]>
Gerrit-Reviewer: Zoltan Chovan <[email protected]>

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