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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4663) Log an error if more than one core points to the same data dir.
Date Thu, 04 Apr 2013 14:23:16 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622367#comment-13622367
] 

Yonik Seeley commented on SOLR-4663:
------------------------------------

Think about creating a core via API... pointing at another core's data directory should only
only cause the create of that new core to fail.
Likewise, if someone messes with a core's configuration such that it fails on startup, it
doesn't seem like this should stop the other correctly configured cores from loading.

                
> Log an error if more than one core points to the same data dir.
> ---------------------------------------------------------------
>
>                 Key: SOLR-4663
>                 URL: https://issues.apache.org/jira/browse/SOLR-4663
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 4.3, 5.0
>            Reporter: Erick Erickson
>            Assignee: Erick Erickson
>            Priority: Minor
>         Attachments: SOLR-4663.patch
>
>
> In large multi-core setups, having mistakes whereby two or more cores point to the same
data dir seems quite possible. We should at least complain very loudly in the logs if this
is detected.
> Should be a very straightforward check at core discovery time.
> Is this serious enough to keep Solr from coming up at all?

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