About: http://webisa.webdatacommons.org/451027156

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Waiting for the istat thread before completing shutdown sounds OK. I think the reason why it does not do that now, was a concern that it may take a very long time if it is processing a large index.
http://www.w3.org/ns/prov#wasQuotedFrom	apache.org