Alexey Serbin has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/17409 )

Change subject: KUDU-3280: fix flakiness in 
TabletServerTest.TestStarvePerfImprovementOpsInColdTablet
......................................................................

KUDU-3280: fix flakiness in 
TabletServerTest.TestStarvePerfImprovementOpsInColdTablet

The test failed because the original perf improvement score
of flush/compaction ops in hot tablet may be always higher
than that in cold tablet. This patch fixed it by increasing
`FLAGS_flush_threshold_mb` and `FLAGS_flush_upper_bound_ms`
and reducing the amount of data written in hot tablet, so
the cold tablet would be compacted if
'workload_score_for_perf_improvement_ops' was diabled.

Change-Id: I9fca72965f25c14446741cc9602c4690404933f4
Reviewed-on: http://gerrit.cloudera.org:8080/17409
Tested-by: Kudu Jenkins
Reviewed-by: Alexey Serbin <[email protected]>
---
M src/kudu/tserver/tablet_server-test.cc
1 file changed, 5 insertions(+), 2 deletions(-)

Approvals:
  Kudu Jenkins: Verified
  Alexey Serbin: Looks good to me, approved

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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I9fca72965f25c14446741cc9602c4690404933f4
Gerrit-Change-Number: 17409
Gerrit-PatchSet: 2
Gerrit-Owner: Yifan Zhang <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)

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