[Owlim-discussion] Owlim-SE not responding with high CPU load

2013-03-28 Thread Stefano Parmesan
Hi everybody, We are evaluating Owlim-SE 5.3.5849 but we are encountering some issues: Our test repository contains around 1 million triples (around 100 of those are owl:sameAs) and have concurrent applications both inserting and querying (through sesame-console and the sparql endpoint provided b

Re: [Owlim-discussion] Owlim-SE not responding with high CPU load

2013-03-28 Thread Marek
we experienced very similar behaviour with nearly the same usecase. i reported one bug which was in our case temporarily solved by turning off context index. recently i found other very similar issue, which is not reportwd yet as i cant figure out the cause. look pls into catalina.out whether th

Re: [Owlim-discussion] Owlim-SE not responding with high CPU load

2013-03-28 Thread Stefano Parmesan
$ grep "ERROR IN PREDICATE STATISTICS" catalina.out | wc -l 32368 (since the 25th) Apparently the last error is of yesterday afternoon, but we experienced such problems this morning as well, I can't say if they are related. Thanks and regards 2013/3/28 Marek > we experienced very similar beh

Re: [Owlim-discussion] Owlim-SE not responding with high CPU load

2013-03-28 Thread Marek Šurek
Hi, as long as I understand the error and behaviour it causes (I experienced this error few times before so I'm familiar), it can end with two scenarios, but both are considered as blocker/critical bugs: 1. You didn't recieve results which you should recieve (all data indicate the query is corre

Re: [Owlim-discussion] Owlim-SE not responding with high CPU load

2013-03-28 Thread Stefano Parmesan
Thank you Marek, I'll give it a try, I cleaned the repository without updating the conf a couple of hours ago and the issue haven't appeared yet, but as you say this may lead to issues in the future so why not. Thanks 2013/3/28 Marek Šurek > Hi, > as long as I understand the error and behavio

Re: [Owlim-discussion] Owlim-SE not responding with high CPU load

2013-03-28 Thread Ruslan Velkov
Hi Stefano, We are sorry to hear that you experience problems! We gave a try to reproduce this issue with synthetic data consisting of 1M statements and 100 owl:sameAs links between random entities, performing thousands of small updates in the background of heavy long-running queries and killi

[Owlim-discussion] Loading a Large Triple Store using OWLIM-SE

2013-03-28 Thread Joshua Greben
Hello all, I am new to this list and to OWLIM-SE and was wondering if anyone could offer advice for loading a large triple store. I am trying to load 670M triples into a repository using the openrdf-sesame workbench under tomcat6 on a single linux VM with 64-bit hardware and 64GB of memory.

Re: [Owlim-discussion] Loading a Large Triple Store using OWLIM-SE

2013-03-28 Thread Marek Šurek
Hi, if you want to see progress in loading, there is and option to use standard "curl" command instead of openrdf-workbench. It gives you some information what is already loaded. To load files into owlim(from .trig file), run this command in your linux shell : curl -X POST -H "Content-Type:appl