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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7343) A comprehensive and flexible storage policy engine
Date Wed, 20 Jul 2016 07:15:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385475#comment-15385475
] 

Kai Zheng commented on HDFS-7343:
---------------------------------

Hi [~yuanbo],

Sorry for the late reply and thanks for your interest! We'll resume this effort since the
HDFS erasure coding feature is going to be done. Currently we're working on the design and
hopefully we'll post a design draft in 1/2 weeks for the review and discussion.

> A comprehensive and flexible storage policy engine
> --------------------------------------------------
>
>                 Key: HDFS-7343
>                 URL: https://issues.apache.org/jira/browse/HDFS-7343
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>
> As discussed in HDFS-7285, it would be better to have a comprehensive and flexible storage
policy engine considering file attributes, metadata, data temperature, storage type, EC codec,
available hardware capabilities, user/application preference and etc.



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