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Posted to hdfs-issues@hadoop.apache.org by "Ashvin Agrawal (Jira)" <ji...@apache.org> on 2019/10/02 05:43:00 UTC
[jira] [Commented] (HDFS-14889) Ability to check if a block has a
replica on provided storage
[ https://issues.apache.org/jira/browse/HDFS-14889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16942507#comment-16942507 ]
Ashvin Agrawal commented on HDFS-14889:
---------------------------------------
CC: [~virajith] [~elgoiri]
> Ability to check if a block has a replica on provided storage
> -------------------------------------------------------------
>
> Key: HDFS-14889
> URL: https://issues.apache.org/jira/browse/HDFS-14889
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ashvin Agrawal
> Assignee: Ashvin Agrawal
> Priority: Major
>
> Provided storage (HDFS-9806) allows data on external storage systems to seamlessly appear as files on HDFS. However, in the implementation today, there is no easy way to distinguish a {{Block}} belonging to an external provided storage volume from a block belonging to the local cluster. This task simplifies this. This feature will be useful in hybrid scenarios when the local cluster will host both kinds of blocks.
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