Todd Lipcon created HDFS-3644:
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Summary: OEV should recognize and deal with 0.20.20x opcode
versions
Key: HDFS-3644
URL: https://issues.apache.org/jira/browse/HDFS-3644
Project: Hadoop HDFS
Issue Type: Bug
Components: tools
Affects Versions: 2.0.0-alpha, 3.0.0
Reporter: Todd Lipcon
Priority: Minor
We have some opcode conflicts for edit logs between 0.20.20x (LV -19, -31) vs
newer versions. For edit log loading, we dealt with this by forcing users to
save namespace on an earlier version before upgrading. But, using a trunk OEV
on an older version is useful since the OEV has had so many improvements. It
would be nice to be able to specify a flag to the OEV to be able to run on
older edit logs.
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