Colin Patrick McCabe created HDFS-5634:
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Summary: allow BlockReaderLocal to switch between checksumming and
not
Key: HDFS-5634
URL: https://issues.apache.org/jira/browse/HDFS-5634
Project: Hadoop HDFS
Issue Type: Sub-task
Components: hdfs-client
Affects Versions: 3.0.0
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
BlockReaderLocal should be able to switch between checksumming and
non-checksumming, so that when we get notifications that something is mlocked
(see HDFS-5182), we can avoid checksumming when reading from that block.
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