4.4 ${solr.data.dir:} ${solr.lock.type:native} true ${solr.ulog.dir:} ${solr.autoCommit.maxTime:15000} false ${solr.autoSoftCommit.maxTime:-1} 1024 true 20 200 static firstSearcher warming in solrconfig.xml false 2 explicit 10 text explicit json true text true json true application/json solrpingquery all explicit true *:*