[jira] [Commented] (HDFS-7343) A comprehensive and flexible storage policy engine

["Kai Zheng (JIRA)" <ji...@apache.org>]

    [ 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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