[Virtuoso-users] Backing-up Virtuoso

Hi, I'm trying to do some backups of my setup. I used the instructions from http://docs.openlinksw.com/virtuoso/backup.html to do online backup with backup_online ('virt-inc_dump_#', 150); Where is the backup file stored ? Also, is there an easy way to create a full NQUAD archive from the cont

Re: [Virtuoso-users] Primary key not found in delete error cause

Hi Bharath, I doubt the data is being loaded incorrectly but sounds as an index on the RDF_QUAD table might be corrupt, which case you could try dropping and recreating them as detailed at: http://docs.openlinksw.com/virtuoso/rdfperformancetuning.html#rdfperfrdfscheme Best Regards Hug

Re: [Virtuoso-users] Best Configuration Parameters

Hi Patrick, I've used the suggested buffers' parameters for NumberOfBuffers (200) and the MaxDirtyBuffers (120). Moreover I've set the MaxCheckpointRemap at 150. Now this is my db status: Database Status: File size 46297088000, 5651500 pages, 128389 free. 200 buffers, 1824911 u

[Virtuoso-users] RDF - how to interact with other triple stores?

Hi everybody, i'm Robert and i'm new into Virtuoso software. As a part of my project i'm working with RDF data (n3 notated information) and need to link these data with other stores. I'm already uploaded my data (lots of rdf files) into my own virtuoso triple store and did a few sparql queries

[Virtuoso-users] Primary key not found in delete error cause

Hi, I am using the below code snippet to load a rdf/xml file into virtuoso. It loads the data correctly, but while deleting(clear graph ) the graph gives Error : " SQLState: 42S12 Message: SR201: Primary key not found in delete" .Is this a problem with the way the data