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https://issues.apache.org/jira/browse/HDFS-10388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-10388:
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Attachment: HDFS-10388.001.patch
> DistributedFileSystem#getStatus returns a misleading FsStatus
> -------------------------------------------------------------
>
> Key: HDFS-10388
> URL: https://issues.apache.org/jira/browse/HDFS-10388
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: fs
> Affects Versions: 2.7.1
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Attachments: HDFS-10388.001.patch
>
>
> The method {{DistributedFileSystem#getStatus}} returns the dfs's disk status.
> {code}
> public FsStatus getStatus(Path p) throws IOException {
> statistics.incrementReadOps(1);
> return dfs.getDiskStatus();
> }
> {code}
> So the param path is no meaning here. And the object returned will mislead
> for users to use this method. I looked into the code, only when the file
> system has multiple partitions, the use and capacity of the partition pointed
> to by the specified path will be reflected. For example, in the subclass
> {{RawLocalFileSystem}}, it will be return correctly.
> We should return a new meaningless FsStatus here (like new FsStatus(0, 0, 0))
> and indicate that the invoked method isn't available in
> {{DistributedFileSystem}}.
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