Configuring Solr slave - Alfresco Search Services - 2.0 - 2.0 - Ready - Alfresco - external - Alfresco/Alfresco-Search-Services/2.0/Alfresco-Search-Services/Configure/Solr-replication/Configuring-the-Alfresco-Content-Services-instance/Configuring-Solr-slave - 2025-04-04

Here again, the solrconfig.xml file controls the configuration affecting replication. To configure the slave server, follow the steps below:

1. Uncomment the slave section.

    <requestHandlername="/replication"class="solr.ReplicationHandler" > 
        <!--
           To enable simple master/slave replication, uncomment one of the 
           sections below, depending on whether this solr instance should be
           the "master" or a "slave".  If this instance is a "slave" you will 
           also need to fill in the masterUrl to point to a real machine.
        -->
       <!--
       <lst name="master">
             <str name="replicateAfter">commit</str>
             <str name="replicateAfter">startup</str>
             <str name="confFiles">schema.xml,stopwords.txt</str>
           </lst>
       -->
           <lst name="slave">
             <str name="masterUrl">http://your-master-hostname:8983/solr</str>
             <str name="pollInterval">00:00:60</str>
           </lst>
    </requestHandler>
   

   where:

   Parameter name	Description
   pollInterval	Interval in which the slave should poll master .Format is hh:mm:ss. If this is missing, the slave server does not poll automatically.
   masterUrl	Fully qualified URL for the replication handler of master. Make sure the masterUrl ends with <tomcat base url>/solr/alfresco.

2. Set the master URL to point to the Solr master. Also, set how often the slave server should poll for changes.

    <str name="masterUrl">http://your-master-hostname:8983/solr/alfresco</str>
    <str name="pollInterval">00:00:60</str>
   

3. Set the following properties in the solrcore.properties file:

    enable.master=false
    enable.slave=true
   

In this configuration, the Solr instance will only track model changes from the Alfresco Content Services platform.