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https://issues.apache.org/jira/browse/SOLR-7160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14336491#comment-14336491
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Shalin Shekhar Mangar commented on SOLR-7160:
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I like this a lot! Thanks for cleaning this up Alan.

One trivial nit-pick is that NodeConfig doesn't seem like it'd ever be more 
than a solr.xml representation. Can we find a better name or maybe not rename 
it at all?

> Decouple corecontainer configuration classes from solr.xml
> ----------------------------------------------------------
>
>                 Key: SOLR-7160
>                 URL: https://issues.apache.org/jira/browse/SOLR-7160
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Alan Woodward
>            Priority: Minor
>         Attachments: SOLR-7160.patch
>
>
> The ConfigSolr object that holds configuration options for CoreContainer is 
> currently represented as a DOM object, with various methods on it for pulling 
> values out of the DOM tree or out of System properties.  This has a couple of 
> drawbacks:
> 1) it couples the configuration class directly to its representation on disk, 
> which is a pain if we ever want to change it (say hello, old-style to 
> new-style solr.xml upgrade!).
> 2) the checking of system properties means that it's not threadsafe, which in 
> turn means that all our cluster tests have to launch Jettys sequentially, 
> rather than in parallel.  This results in tests taking about 25 seconds to 
> start up, before any of the test logic has been run.
> We should tidy this up.



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