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From "yanghuafeng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13857) RBF: Choose to enable the default nameservice to write files.
Date Mon, 03 Sep 2018 08:42:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

yanghuafeng updated HDFS-13857:
-------------------------------
    Attachment: HDFS-13857.005.patch

> RBF: Choose to enable the default nameservice to write files.
> -------------------------------------------------------------
>
>                 Key: HDFS-13857
>                 URL: https://issues.apache.org/jira/browse/HDFS-13857
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: federation, hdfs
>    Affects Versions: 3.0.0, 3.1.0, 2.9.1
>            Reporter: yanghuafeng
>            Assignee: yanghuafeng
>            Priority: Major
>         Attachments: HDFS-13857.001.patch, HDFS-13857.002.patch, HDFS-13857.003.patch,
HDFS-13857.004.patch, HDFS-13857.005.patch
>
>
> The default nameservice can provide some default properties for the namenode protocol.
And if we cannot find the path, we will get a location in default nameservice. From my side
as cluster administrator, we need all files to be written in the location from the MountTableEntry.
If no responding location, some error will return. It is not better to happen some files are
written in some unknown location. We should provide a specific parameter to enable the default
nameservice to store files.



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