Guanghao Zhang created HBASE-21970:
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Summary: Document that how to upgrade from 2.0 or 2.1 to 2.2+
Key: HBASE-21970
URL: https://issues.apache.org/jira/browse/HBASE-21970
Project: HBase
Issue Type: Sub-task
Reporter: Guanghao Zhang-- This message was sent by Atlassian JIRA (v7.6.3#76005)
