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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7343) HDFS smart storage management
Date Sat, 17 Sep 2016 01:38:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng updated HDFS-7343:
----------------------------
       Assignee: Wei Zhou  (was: Kai Zheng)
    Description: 
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.

Modified the title for re-purpose.
We'd extend this effort some bit and aim to work on a comprehensive solution to provide smart
storage management service in order for convenient, intelligent and effective utilizing of
erasure coding or replicas, HDFS cache facility, HSM offering, and all kinds of tools (balancer,
mover, disk balancer and so on) in a large cluster.


  was:
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.


    Component/s:     (was: namenode)
        Summary: HDFS smart storage management  (was: A comprehensive and flexible storage
policy engine)

Modified the title for re-purpose.

We'd extend this effort some bit and aim to work on a comprehensive solution to provide smart
storage management service in order for convenient, intelligent and effective utilizing of
erasure coding or replicas, HDFS cache facility, HSM offering, and all kinds of tools (balancer,
mover, disk balancer and so on) in a large cluster. 

Doing this as a standalone service to avoid big impact to existing NNs was inspired by [~jingzhao]
quite some time ago, along with many other valuable insights. [~zhouwei] will work on this
and let's wait another week for the delayed design.

> HDFS smart storage management
> -----------------------------
>
>                 Key: HDFS-7343
>                 URL: https://issues.apache.org/jira/browse/HDFS-7343
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Kai Zheng
>            Assignee: Wei Zhou
>
> 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.
> Modified the title for re-purpose.
> We'd extend this effort some bit and aim to work on a comprehensive solution to provide
smart storage management service in order for convenient, intelligent and effective utilizing
of erasure coding or replicas, HDFS cache facility, HSM offering, and all kinds of tools (balancer,
mover, disk balancer and so on) in a large cluster.



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