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https://issues.apache.org/jira/browse/HDFS-14195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16834780#comment-16834780
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Adam Antal commented on HDFS-14195:
-----------------------------------
Thanks for sharing your concerns [~jojochuang]: I agree that it may cause
backward compatibility. For future expandability it makes sense to configure
this in a more flexible way, but for this issue I'd probably just stick to
adding an option to the cli, something like {{--display-storage-policy}}.
I also filed a jira earlier, where I suggested a refactor in that area:
HDFS-14203. The addition of CLI options of displaying extra fields can be also
handled there.
> OIV: print out storage policy id in oiv Delimited output
> --------------------------------------------------------
>
> Key: HDFS-14195
> URL: https://issues.apache.org/jira/browse/HDFS-14195
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: tools
> Reporter: Wang, Xinglong
> Assignee: Wang, Xinglong
> Priority: Minor
> Attachments: HDFS-14195.001.patch, HDFS-14195.002.patch,
> HDFS-14195.003.patch, HDFS-14195.004.patch, HDFS-14195.005.patch,
> HDFS-14195.006.patch
>
>
> There is lacking of a method to get all folders and files with sort of
> specified storage policy via command line, like ALL_SSD type.
> By adding storage policy id to oiv output, it will help with oiv
> post-analysis to have a overview of all folders/files with specified storage
> policy and to apply internal regulation based on this information.
>
> Currently, for PBImageXmlWriter.java, in HDFS-9835 it added function to print
> out xattr which including storage policy already.
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