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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11773) Ozone: KSM : add listVolumes
Date Mon, 26 Jun 2017 13:56:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Weiwei Yang updated HDFS-11773:
    Attachment: listVolume_tests.log

> Ozone: KSM : add listVolumes
> ----------------------------
>                 Key: HDFS-11773
>                 URL: https://issues.apache.org/jira/browse/HDFS-11773
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Anu Engineer
>            Assignee: Weiwei Yang
>         Attachments: HDFS-11773-HDFS-7240.001.patch, listVolume_tests.log
> List volume call can be used in three different contexts. One is for the administrators
to list all volumes in a cluster. Second is for the administrator to list the volumes owned
by a specific user. Third is a user listing the volumes owned by himself/herself.
> Since these calls can return large number of entries the rest protocol supports paging.
Paging is supported by the use of prevKey, prefix and maxKeys. The caller is aware the this
call is neither atomic nor consistent. So we can iterate over the list even while changes
are happening to the list.

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