Marton Greber has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/24863 )

Change subject: KUDU-3761 drop default for prefer_follower_moves
......................................................................

KUDU-3761 drop default for prefer_follower_moves

LocationBalancingAlgo requires callers to pass
'prefer_follower_moves' explicitly. TwoDimensionalGreedyAlgo
still defaulted it to true, so callers could quietly opt into
follower-preferring behavior by leaving the arg off.

Drop that default. The trailing EqualSkewOption default goes
with it (defaults must be contiguous at the end); update the
zero/one-arg call sites in rebalance_algo-test.cc to pass both
args.

Change-Id: I2a86f1345b3adad084813e1b61a4a38ef566d035
Reviewed-on: http://gerrit.cloudera.org:8080/24863
Reviewed-by: Ashwani Raina <[email protected]>
Reviewed-by: Marton Greber <[email protected]>
Tested-by: Marton Greber <[email protected]>
---
M src/kudu/rebalance/rebalance_algo-test.cc
M src/kudu/rebalance/rebalance_algo.h
2 files changed, 37 insertions(+), 12 deletions(-)

Approvals:
  Ashwani Raina: Looks good to me, approved
  Marton Greber: Looks good to me, approved; Verified

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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I2a86f1345b3adad084813e1b61a4a38ef566d035
Gerrit-Change-Number: 24863
Gerrit-PatchSet: 5
Gerrit-Owner: Gabriella Lotz <[email protected]>
Gerrit-Reviewer: Ashwani Raina <[email protected]>
Gerrit-Reviewer: Gabriella Lotz <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Marton Greber <[email protected]>

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