Hello Tidy Bot, Alexey Serbin, Yingchun Lai, Kudu Jenkins,

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

    http://gerrit.cloudera.org:8080/18679

to look at the new patch set (#28).

Change subject: [master] support turning on/off auto rebalancer at runtime
......................................................................

[master] support turning on/off auto rebalancer at runtime

kudu-master supports auto-rebalancer, but it must be decided whether
enable it before kudu master starting. This patch supports to turn
on/off `auto rebalancer` when kudu-master running by changing gflag
--auto_rebalancing_enabled.

There are many independent, idle and isolated threads(which do
period tasks), they don't participant in thread pool. We can use less
threads, unified thread pool to manager them.

Change-Id: Ifbcea6392b783843f89e019f1141dd8905366de5
---
M src/kudu/master/auto_rebalancer-test.cc
M src/kudu/master/auto_rebalancer.cc
M src/kudu/master/auto_rebalancer.h
M src/kudu/master/catalog_manager.cc
M src/kudu/master/catalog_manager.h
5 files changed, 163 insertions(+), 84 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/79/18679/28
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ifbcea6392b783843f89e019f1141dd8905366de5
Gerrit-Change-Number: 18679
Gerrit-PatchSet: 28
Gerrit-Owner: Yuqi Du <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: Yingchun Lai <[email protected]>
Gerrit-Reviewer: Yuqi Du <[email protected]>

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