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Posted to common-issues@hadoop.apache.org by "Manoj Govindassamy (JIRA)" <ji...@apache.org> on 2016/12/01 00:55:58 UTC
[jira] [Updated] (HADOOP-13840) Implement getUsed() for
ViewFileSystem
[ https://issues.apache.org/jira/browse/HADOOP-13840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Manoj Govindassamy updated HADOOP-13840:
----------------------------------------
Attachment: (was: HADOOP-13840.02.patch)
> Implement getUsed() for ViewFileSystem
> --------------------------------------
>
> Key: HADOOP-13840
> URL: https://issues.apache.org/jira/browse/HADOOP-13840
> Project: Hadoop Common
> Issue Type: Task
> Components: viewfs
> Affects Versions: 3.0.0-alpha1
> Reporter: Manoj Govindassamy
> Assignee: Manoj Govindassamy
> Attachments: HADOOP-13840.01.patch
>
>
> ViewFileSystem doesn't override {{FileSystem#getUSed()}}. So, when file system used space is queried for slash root "/" paths, the default implementations tries to run the {{getContentSummary}} which crashes on seeing unexpected mount points under slash.
> ViewFileSystem#getUsed() is not expected to collate all the space used from all the mount points configured under "/". Proposal is to avoid invoking FileSystem#getUsed() and throw NotInMountPointException until LinkMergeSlash is supported.
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