Solr is an open source enterprise search server based on the Lucene
Java search library, with XML/HTTP and JSON APIs, hit highlighting,
faceted search, caching, replication, a web administration interface
and many more features. It runs in a Java servlet container such as
Tomcat.
===> The following configuration options are available for apache-solr9-9.2.0:
JTS=off: Enable support for JTS Topology Suite
===> Use 'make config' to modify these settings
Make sure to edit the following files to adapt to your setup:
/usr/local/etc/solr.in.sh
/var/db/solr/solr.xml
All files are configured to have your solr instances running in
/var/db/solr/<instancename>
For more information how to configure solr check the manual:
http://lucene.apache.org/solr/resources.html#documentation
The port is configured to listen only on localhost, port 8983.
To rotate solr log files include /var/log/solr/ to your log rotation
configuration.
To enable the port execute:
sysrc solr_enable="YES"
And start it with:
service solr start
If upgrading
If you update, make sure you update your /usr/local/etc/solr.in.sh
The LOG4J_PROPS has changed.
If you would like to change logging, copy:
cp /usr/local/solr/server/resources/log4j2.xml /var/db/solr/
Change it and make sure it is loaded in /usr/local/etc/solr.in.sh.
Data Import Handler (DIH) has been removed from the base solr and is
available as independent module which can be installed with solr
package manager. The current repo is available at:
https://github.com/rohitbemax/dataimporthandler
Make also sure to always check the manual if you need to modify your
configs or schemas:
https://solr.apache.org/guide/9_0/solr-upgrade-notes.html
Maybe you want also to check some examples:
https://dovecot.org/pipermail/dovecot/2022-May/124701.html
https://dovecot.org/pipermail/dovecot/2022-May/124711.html
textproc/apache-solr9: make version 9 as extra port available
Version 9 has breaking changes which makes it impossible to do a simple
upgrade.
Using an extra ports makes sure to not break installation with
solr version 8.
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