Thank you Hugh.
I have removed the old virtuoso.trx file and everything seems in place.
Kind regards,
Pantelis Natsiavas
2016-09-08 4:47 GMT+03:00 Hugh Williams :
> Hi Pantelis,
>
> The "It is impossible to have a database file
> /media/VirtuosoDBDrive/virtuoso.db
> with a length not multiple
Hi Hugh.
I had changed the virtuoso.ini vector parameters in the past due to working
with large datasets. One of these changes could have caused the problem.
However, I can not confidently say which. I have changed the parameters you
suggested, however, still I cannot get an answer to the graphs q
Hi Lorenz,
In Virtuoso 7+ Vectored query execution [1] enables single, typically complex
analytical types queries, to be broken down and executed on multiple threads.
The INI file param that controls this is “ThreadsPerQuery” [2] , which controls
the maximum number of threads that can be claim
On 9/12/16 3:50 AM, Pantelis Natsiavas wrote:
> SPARQL SELECT distinct ?graph WHERE { GRAPH ?graph { ?s ?p ?o } };
Please try:
SPARQL SELECT distinct ?graph WHERE { GRAPH ?graph { ?s a ?o } };
--
Regards,
Kingsley Idehen
Founder & CEO
OpenLink Software (Home Page: http://www.openlink
Tangentially on JDBC/ODBC vs HTTP.HTTP is slow because of the transport,
but JDBC/ODBC has more mature models of paging over results, pre-fetching, etc.
I feel that RDF is mature as a Data format, but as a protocol it is not that
mature.
-Original Message-
From: Hugh Williams [mai
The trouble with classic http is that pretty frequently you wind up making
a separate TCP connection for each API call. In theory there was
pipelining in http/1.1 but it did not really work and was rarely
implemented in "web service" scenarios.
http/2 has pipelining that works, reduces the # of
