Xiaoyu Yao created HDFS-11341:
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Summary: Adding unit test for SNN checkpoint with unfinalized
rollingUpgrade
Key: HDFS-11341
URL: https://issues.apache.org/jira/browse/HDFS-11341
Project: Hadoop HDFS
Issue Type: Test
Reporter: Xiaoyu Yao
This is a followup work for HDFS-11209.
The repro of HDFS-11209 is a bit tricky with MiniDFSCluter as we need to run
old version of NN with ""hdfs dfsadmin -rollingUpgrade prepare" to create a
fsiamge with the old layoutversion. Then do the upgrade and run the primary
namenode(new software layout version) with "-rollingUpgrade started" option and
secondary namenode (new software layout version) as normal.
The software layout version is determined by static method from LayoutVersion
class which is not supported with mockito. It is possible to do that with
powermock + mockito.
This ticket is opened to add unit test for the scenarios that is fixed by
HDFS-11209.
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