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From Erick Erickson <>
Subject Re: Solr 5.0.0 - Multiple instances sharing Solr server *read-only* dir
Date Tue, 10 Mar 2015 16:15:57 GMT
If I'm understanding your problem correctly, I think you want the -d option,
then all the -s guys would be under that.

Just to check, though, why are you running multiple Solrs? There are sometimes
very good reasons, just checking that you're not making things more difficult
than necessary....


On Mon, Mar 9, 2015 at 4:59 PM, Damien Dykman <> wrote:
> Hi all,
> Quoted from
> "When running multiple instances of Solr on the same host, it is more
> common to use the same server directory for each instance and use a
> unique Solr home directory using the -s option."
> Is there a way to achieve this without making *any* changes to the
> extracted content of solr-5.0.0.tgz and only use runtime parameters? I
> other words, make the extracted folder solr-5.0.0 strictly read-only?
> By default, the Solr web app is deployed under server/solr-webapp, as
> per solr-jetty-context.xml. So unless I change solr-jetty-context.xml, I
> cannot make folder sorl-5.0.0 read-only to my Solr instances.
> I've figured out how to make the log files and pid file to be located
> under the Solr data dir by doing:
> export SOLR_PID_DIR=mySolrDataDir/logs; \
> export SOLR_LOGS_DIR=mySolrDataDir/logs; \
> bin/solr start -c -z localhost:32101/solr \
>      -s mySolrDataDir \
>      -a "-Dsolr.log=mySolrDataDir/logs" \
>      -p 31100 -h localhost
> But if there was a way to not have to change solr-jetty-context.xml that
> would be awesome! Thoughts?
> Thanks,
> Damien

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