Colin Patrick McCabe created HDFS-6061:
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Summary: Allow dfs.datanode.shared.file.descriptor.path to contain
multiple entries and fall back when needed
Key: HDFS-6061
URL: https://issues.apache.org/jira/browse/HDFS-6061
Project: Hadoop HDFS
Issue Type: Sub-task
Components: datanode
Affects Versions: 2.4.0
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
In {{SharedFileDescriptorFactory}}, it would be nice if
dfs.datanode.shared.file.descriptor.path could contain multiple entries and
allow fallback between them. That way, if a user doesn't have {{/dev/shm}}
configured (the current default), the user could use {{/tmp}}. This is mainly
a concern on BSDs and some other systems where {{/dev/shm}} doesn't exist.
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