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https://issues.apache.org/jira/browse/SOLR-7555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567388#comment-14567388
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Erik Hatcher commented on SOLR-7555:
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bq. So this is getting rather more complex then I expected.
Actually simpler :) since you can keep all the changes Solr-side rather than
having to work through modifying Lucene itself. And maybe you don't even need
those additional methods in HdfsDirectory or FSDirectory if you can get at the
data you need inside an if/else in SystemInfoHandler.
> Display total space and available space in Admin
> ------------------------------------------------
>
> Key: SOLR-7555
> URL: https://issues.apache.org/jira/browse/SOLR-7555
> Project: Solr
> Issue Type: Improvement
> Components: web gui
> Affects Versions: 5.1
> Reporter: Eric Pugh
> Assignee: Erik Hatcher
> Priority: Minor
> Fix For: 5.2
>
> Attachments: DiskSpaceAwareDirectory.java,
> SOLR-7555-display_disk_space.patch, SOLR-7555-display_disk_space_v2.patch,
> SOLR-7555-display_disk_space_v3.patch, SOLR-7555.patch
>
>
> Frequently I have access to the Solr Admin console, but not the underlying
> server, and I'm curious how much space remains available. This little patch
> exposes total Volume size as well as the usable space remaining:
> !https://monosnap.com/file/VqlReekCFwpK6utI3lP18fbPqrGI4b.png!
> I'm not sure if this is the best place to put this, as every shard will share
> the same data, so maybe it should be on the top level Dashboard? Also not
> sure what to call the fields!
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