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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2832) Enable support for heterogeneous storages in HDFS
Date Fri, 12 Jul 2013 18:59:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13707244#comment-13707244

Andrew Purtell commented on HDFS-2832:

We will open Jiras to track these issues and folks interested in contributing can collaborate
on this work. Please reach out to me.
- Suresh Srinivas, Sanjay Radia and Arpit Agarwal

As you know there is an email from me reaching out to you on exactly the topic of tiered storage
in your inbox still waiting for a response. I know conclusively at least Suresh and Sanjay
received a copy. I sent that at the invitation of one of your colleagues last month. Perhaps
I can conclude from the silence that email is an incorrect way to "reach out", in which case
I would welcome your participation on HDFS-4762 in a truly inclusive community process of
collaboration, rather than dubious invitations, based on my personal experience, here.
> Enable support for heterogeneous storages in HDFS
> -------------------------------------------------
>                 Key: HDFS-2832
>                 URL: https://issues.apache.org/jira/browse/HDFS-2832
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 0.24.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
> HDFS currently supports configuration where storages are a list of directories. Typically
each of these directories correspond to a volume with its own file system. All these directories
are homogeneous and therefore identified as a single storage at the namenode. I propose, change
to the current model where Datanode * is a * storage, to Datanode * is a collection * of strorages.

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