Hello Kudu Jenkins,

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

    http://gerrit.cloudera.org:8080/3076

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

Change subject: KUDU-236. Implement tablet history GC
......................................................................

KUDU-236. Implement tablet history GC

Initial draft of tablet history GC. This feature could use some
additional test coverage.

Included tests:

* Test for entire-row GC
* Tests for Undo GC (positive and negative tests)

Missing tests:

* Missing randomized tests

Missing features:

* No mechanism to fail scans if they attempt to open a snapshot scan at
  a timestamp prior to the Ancient History Mark
* No dedicated background task that only schedules and performs history GC

Change-Id: If9833a863f118eb82be80ea56204d0d9141611c2
---
M src/kudu/server/clock.h
M src/kudu/server/hybrid_clock.cc
M src/kudu/server/hybrid_clock.h
M src/kudu/tablet/CMakeLists.txt
M src/kudu/tablet/compaction-test.cc
M src/kudu/tablet/compaction.cc
M src/kudu/tablet/compaction.h
M src/kudu/tablet/delta_compaction.cc
M src/kudu/tablet/delta_compaction.h
M src/kudu/tablet/diskrowset.cc
M src/kudu/tablet/diskrowset.h
M src/kudu/tablet/mutation.h
M src/kudu/tablet/rowset_metadata.h
M src/kudu/tablet/tablet-harness.h
M src/kudu/tablet/tablet-test-base.h
M src/kudu/tablet/tablet-test-util.h
M src/kudu/tablet/tablet-test.cc
M src/kudu/tablet/tablet.cc
M src/kudu/tablet/tablet.h
A src/kudu/tablet/tablet_history_gc-test.cc
20 files changed, 400 insertions(+), 68 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/76/3076/4
-- 
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: If9833a863f118eb82be80ea56204d0d9141611c2
Gerrit-PatchSet: 4
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Mike Percy <mpe...@apache.org>
Gerrit-Reviewer: Kudu Jenkins

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