Just a heads up, with Solr 6.6 100MB is the default ram buffer size: https://lucene.apache.org/solr/guide/6_6/indexconfig-in-solrconfig.html
It may not be as worth it for many users to change it now.
Small Update
Just a heads up, with Solr 6.6 100MB is the default ram buffer size: https://lucene.apache.org/solr/guide/6_6/indexconfig-in-solrconfig.html
It may not be as worth it for many users to change it now.