Re: [Virtuoso-users] Transaction Deadlock with two consecutive SPARQL HTTP queries

2011-02-21 Thread Hugh Williams
Hi Aldo, Have yout tried passing the log_enable(2) option in your query string which is recommended when performing multiple concurrent SPARUL operations to avoid deadlocks as detailed at: http://docs.openlinksw.com/virtuoso/rdfperformancetuning.html#rdfperfsparul Assuming you are qu

[Virtuoso-users] Transaction Deadlock with two consecutive SPARQL HTTP queries

2011-02-21 Thread Aldo Bucchi
Hi, I was running a test suite for an app that talks profusely to Virtuoso via SPARQL HTTP and I kept running into a deadlock. I was able to isolate the problem by HTTP POSTing the following two queries consecutively and w/o waiting for the previous one to complete ( with a non blocking client suc