Hello Tidy Bot, Dan Burkert, Kudu Jenkins,

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

    http://gerrit.cloudera.org:8080/10075

to look at the new patch set (#2).

Change subject: KUDU-2191: Metadata Upgrade Tool
......................................................................

KUDU-2191: Metadata Upgrade Tool

This commit introduces a upgrade tool to allows backward compatibility.
It provides support to upgrade the metadata format of existing Impala
managed/external tables in HMS entries, as well as rename the existing
tables in Kudu to adapt to the new naming rules. It adds test case
using external mini cluster to ensure the upgrade tool works as expect.

Change-Id: I1c8488e1c7b04b8bedc31c83b1496b53bae49cb3
---
M 
java/kudu-hive/src/main/java/org/apache/kudu/hive/metastore/KuduMetastorePlugin.java
M 
java/kudu-hive/src/test/java/org/apache/kudu/hive/metastore/TestKuduMetastorePlugin.java
M src/kudu/hms/hms_catalog.cc
M src/kudu/hms/hms_catalog.h
M src/kudu/hms/hms_client.cc
M src/kudu/hms/hms_client.h
M src/kudu/integration-tests/alter_table-randomized-test.cc
M src/kudu/integration-tests/master_failover-itest.cc
M src/kudu/integration-tests/master_hms-itest.cc
M src/kudu/mini-cluster/external_mini_cluster.cc
M src/kudu/mini-cluster/external_mini_cluster.h
M src/kudu/tools/CMakeLists.txt
M src/kudu/tools/kudu-tool-test.cc
M src/kudu/tools/tool.proto
M src/kudu/tools/tool_action.h
A src/kudu/tools/tool_action_hms.cc
M src/kudu/tools/tool_action_test.cc
M src/kudu/tools/tool_main.cc
18 files changed, 585 insertions(+), 28 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/75/10075/2
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I1c8488e1c7b04b8bedc31c83b1496b53bae49cb3
Gerrit-Change-Number: 10075
Gerrit-PatchSet: 2
Gerrit-Owner: Hao Hao <hao....@cloudera.com>
Gerrit-Reviewer: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Tidy Bot

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