Hi all,
I'm working with Virtuoso 7.0.0 open source edition and did a load of
geonames data using isql which was 123,020,822 triples into a named
graph "http://www.geonames.org";.
I did a second load of 13,349,346 triples into a different named graph.
Both loads of turtle RDF completed quickly. When I went to check to see
if Conductor could see the named graphs, Conductor hung when I clicked
on Linked Data-->Graphs. I then tried to do:
a) select distinct ?g where {graph ?g {?s ?p ?o}}
from the SPARQL endpoint and it timed out.
however, the following query against http://www.geonames.org would work
in a second:
b) select count(*) as ?cc where {?s ?p ?o}
I initiated a shutdown using isql which took a few moments and then I
restarted virtuoso. Now, Conductor quickly shows all named graphs
including the new ones, and the above SPARQL query (a) runs nearly
instantly.
- Erich
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