Manoj Govindassamy created HDFS-11848:
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Summary: Enhance dfsadmin listOpenFiles command to list files
under a given path
Key: HDFS-11848
URL: https://issues.apache.org/jira/browse/HDFS-11848
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 3.0.0-alpha1
Reporter: Manoj Govindassamy
Assignee: Manoj Govindassamy
HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list all
the open files in the system.
One more thing that would be nice here is to filter the output on a passed path
or DataNode. Usecases: An admin might already know a stale file by path
(perhaps from fsck's -openforwrite), and wants to figure out who the lease
holder is. Proposal here is add suboptions to {{listOpenFiles}} to list files
filtered by path.
{{LeaseManager#getINodeWithLeases(INodeDirectory)}} can be used to get the open
file list for any given ancestor directory.
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