Colin Patrick McCabe created HDFS-5784:
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Summary: reserve space in edit log header and fsimage header for
feature flag section
Key: HDFS-5784
URL: https://issues.apache.org/jira/browse/HDFS-5784
Project: Hadoop HDFS
Issue Type: Sub-task
Components: namenode
Affects Versions: 2.4.0
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
Attachments: HDFS-5784.001.patch
We should reserve space in the edit log header and fsimage header so that we
can add layout feature flags later in a compatible manner.
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