[Virtuoso-users] checkpointSyncMode default value

2016-07-26 Thread Balazs Varhegyi
Hi, **Why CheckpointSyncMode is 2 by default? What happens if we set this value to 1? I found "CheckpointSyncMode" section in this doc: http://docs.openlinksw.com/virtuoso/dbadm/ but is it dangerous to set it to 1 and continue writing and reading virtuoso while it does the checkpoint? If d

Re: [Virtuoso-users] checkpointSyncMode default value

2016-07-26 Thread Balazs Varhegyi
So I managed to create a simple test environment to reproduce the issue as described in: http://stackoverflow.com/questions/38564249/why-do-i-get-com-hp-hpl-jena-sparql-engine-http-queryexceptionhttp-during-virtuo I hope this thread gets approved eventually by a moderator. I tried to reach out h

Re: [Virtuoso-users] checkpointSyncMode default value

2016-07-26 Thread Balazs Varhegyi
Ok, I managed to get this exception when CheckpointSynchMode is 1. So when I do a query that only reads virtuoso when it does the checkpoint is causes this com.hp.hpl.jena.sparql.engine.http.QueryExceptionHTTP, why? Regards, Balazs On 22/07/16 15:44, Balazs Varhegyi wrote: Hi, **Why Check

Re: [Virtuoso-users] Cannot insert triplets into graph

2016-07-26 Thread Pantelis Natsiavas
Hi Hugh. The part of interest in the log file is currently attached. Sorry for not attaching it in my previous email. I have reduced only to the log messages that could be of interest, in the specific time span, around "Please contact OpenLink Customer Support" message. Yes I have changed the swa

Re: [Virtuoso-users] Cannot insert triplets into graph

2016-07-26 Thread Pantelis Natsiavas
Hi Hugh. Actually, what you say makes sense and fits in my case. As you probably remember I was trying to run a transaction that needed days to execute. Trying to speed things up and confirm if everything was OK, I restarted the VM numerous times. Obviously, this could have caused some inconsisten