[jira] [Commented] (SOLR-9575) Initialize an empty solr-home

["Jan Høydahl (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-9575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15895930#comment-15895930 ] 

Jan Høydahl commented on SOLR-9575:
-----------------------------------

Just committed a fix to SOLR-10088 which at least makes the install script do the right thing.

So what's the next step for this issue? Perhaps a compromise could be a sys prop to force init of SOLR_HOME? E.g. {{-Dsolr.home.init=true}}? So the default would be false as today, but it would be possible to start Solr on a new HOME with one command as David requests.

> Initialize an empty solr-home
> -----------------------------
>
>                 Key: SOLR-9575
>                 URL: https://issues.apache.org/jira/browse/SOLR-9575
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: David Smiley
>
> The user may not want to use Solr's default solr-home dir location -- most likely to use a separate disk.  If you do this, there are two main problems:
> * solr.xml & zoo.cfg aren't there
> * configsets aren't there
> Of course you could copy it manually but that's an extra step, and it's particularly annoying to add this step to a Docker setup.  Docker is all the rage these days, and for good reason.  If I mount a volume at /opt/solr/server/solr then it basically masks this part of the built-in Solr image (thus making configsets completely invisible) and points to some place that will be empty.  Solr obviously complains.  I could set the solr-home to some other path that I mount, but Solr would still complain about an empty solr-home -- no solr.xml
> If solr-home is empty, and if it's a dir other than the default solr-home, then I think the solr-home should be initialized with solr.xml and zoo.cfg copied from the default solr-home.  I think configsets should be referenced from the default solr-home if there is no configsets dir in solr-home.



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