You are viewing a plain text version of this content. The canonical link for it is here.

Posted to hdfs-dev@hadoop.apache.org by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org> on 2013/08/28 08:38:56 UTC

[jira] [Resolved] (HDFS-4987) Namenode changes to track multiple storages

     [ https://issues.apache.org/jira/browse/HDFS-4987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo (Nicholas), SZE resolved HDFS-4987.
------------------------------------------

       Resolution: Fixed
    Fix Version/s: Heterogeneous Storage (HDFS-2832)
     Hadoop Flags: Reviewed

Thanks Arpit and Junping for reviewing the patches.

I have committed this.  Note that some unit tests in the branch may fail.  We will fix them when feature is getting ready.
                
> Namenode changes to track multiple storages
> -------------------------------------------
>
>                 Key: HDFS-4987
>                 URL: https://issues.apache.org/jira/browse/HDFS-4987
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Suresh Srinivas
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: Heterogeneous Storage (HDFS-2832)
>
>         Attachments: h4987_20130822.patch, h4987_20130827b.patch, h4987_20130827c.patch, h4987_20130827.patch, h4987_20130828.patch
>
>
> Currently namenode track in BlockInfo, the corresponding DataNodeDescriptor. I propose changing this with new abstraction StorageDescriptor. This change will also make DatanodeDescriptor a collection of StroageDescriptors. This will allow given a block, identify its storage and also Datanode.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira