Zhe Zhang created HDFS-6992:
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Summary: DN decommission control as a utility for unit testing
Key: HDFS-6992
URL: https://issues.apache.org/jira/browse/HDFS-6992
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Zhe Zhang
Assignee: Zhe Zhang
Priority: Minor
Currently {{TestDecommission}} contains all test cases as well as control logic
for decommission-related tests. This is not ideal because the decommissioning
process has too many perspectives to fit in one class. As a matter of fact the
current {{TestDecommission}} class is a bit too long, with ad hoc test cases
like {{testDecommission}} and {{testDecommission2}}.
It is better to move the decommissioning logic to {{DFSTestUtil}} so it can be
called in other unit testing classes such as {{TestReplicationPolicy}}.
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