Solr4.6 is this possible to use common configuration file for multiple cores?

Question

I am Migrating solr from solr3.5 TO Solr4.10 In that solr.xml configuration changes.

Upto 4.2 there are as support to use common configuration (instanceDir) file for multiple cores. Ex.:

<cores adminPath="/admin/cores" defaultCoreName="CoreName">
    <core name="core1" dataDir="data/core1/" instanceDir="." />
    <core name="core2" dataDir="data/core2/" instanceDir="." />
    <core name="core_3" dataDir="data/core3/" instanceDir="." config="solrconfig_newCore.xml" schema="schema_newCore.xml" />
    <core name="core_4" dataDir="data/core4/" instanceDir="." config="solrconfig_newCore.xml" schema="schema_newCore.xml" />
    .....
</cores>

Now in 4.10 Not support such common configuration (i.e. InstanceDir) file. while in 5.0 it's mandatory.

Is there any way to use common configuration file for multiple cores?

Like: conf/ is common with country specific name (schema_fr.xml, etc..) and handle at same place like solr.xml. just data directory is different.

Answer 1

Solr5+ We can use common config file using configSets

Can define common configuration file at once place in configsets directory. Ex.: /solr/configsets/my_configs/conf/ and core.property for individual core as per below:

in core1: name=core1 configSet=my_configs schema=schema_my.xml config=solrconfig_my.xml

in core2: name=core2 configSet=my_configs schema=schema_new.xml config=solrconfig_new.xml

in core3: name=core3 configSet=my_configs schema=schema_test.xml config=solrconfig_my.xml

So, In that data directory individual core but configset at once place to manage.