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Posted to common-issues@hadoop.apache.org by "Manoj Govindassamy (JIRA)" <ji...@apache.org> on 2017/09/12 02:28:00 UTC
[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for
ViewFileSystem
[ https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Manoj Govindassamy updated HADOOP-13055:
----------------------------------------
Affects Version/s: 2.7.5
Target Version/s: 3.0.0-beta1 (was: 2.7.5)
Status: In Progress (was: Patch Available)
> Implement linkMergeSlash for ViewFileSystem
> -------------------------------------------
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
> Affects Versions: 2.7.5
> Reporter: Zhe Zhang
> Assignee: Manoj Govindassamy
> Attachments: HADOOP-13055.00.patch, HADOOP-13055.01.patch, HADOOP-13055.02.patch, HADOOP-13055.03.patch, HADOOP-13055.04.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root / slash directory of an HDFS cluster. E.g., list all top level directories. Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> * <ul>
> * <li> fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> * </ul>
> * In this cases the root of the mount table is merged with the root of
> * <b>hdfs://nn99/ </b>
> {code}
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