Håvard M. Ottestad

Scoping can be quite complex due to the bottom up semantics of SPARQL queries. This can lead to some finicky edge cases when trying to rewrite queries for performance. Blaze...

Improved logging would be nice.

Might also be nice to have a "skip invalid shapes" option.

I’m going to handle this by improving the error message. If I can I will try to add some kind of backwards tracing to log the reason for a shape...

Did you try adjusting the timeout? https://rdf4j.org/documentation/programming/federation/

Does it still timeout when setting it to 0?

Try setting the timeout directly on the Query object. Like this `query.setMaxExecutionTime(0);`. Can you also update your example code to show how you are setting the timeout on the FedX...

I haven't had a chance to test it out yet. Might be a little while before I have time.

I remember looking into performance optimisations for bulk loading the native store and also discovered that the code takes an exclusive lock. I think the theory is that if the...

I think that both the NativeStore and the MemoryStore run the actual commit phase serially with locks or with synchronisation. The NONE isolation level probably just uses this part of...