http://localhost:8983/solr/admin/collections?action=CREATE&name=collection
action=DELETE is to delete
action=RELOAD is to reload
create core
http://localhost:8983/solr/admin/cores?action=create&dataDir=data&config=solrconfig.xml&schema=schema.xml&numShards=1&collection=test_search&collection.configName=test_search&name=test_search&shard=shard1