Fuseki tdb indexing

2013-12-21 Thread Chaudhuri, Rajiv
Hi Is there any command to index the fuseki tdb data? Will this indexing (if we have) results in performance improvement while querying the triple store? Please advice.

Two JVM accessing same TDB store

2013-12-21 Thread Chaudhuri, Rajiv
Hi We are using fuseki server to store the triples and we want to have two JVM instances (two tomcat server) to access the same tdb store using two instances of fuseki server having same shared tdb file location. But it does not work. We have found only one instance of fuseki can work at time. If

Re: Scheme for Multiple files creation...

2013-12-21 Thread Al Shapiro
Thanks Chris... My ultimate goal is to create two (2) separate TDB's because of the number of triples for one will be a much greater than the other... And, the larger TDB (containing many more triples)will be accessed a great deal more then the smaller TDB... My original question had to do wit

Re: Loading dbpedia.nq: exception in thread main gc overhead limit exceeded

2013-12-21 Thread Andy Seaborne
On 21/12/13 03:19, Rose Beck wrote: I tried setting using export JAVA_OPTS ="-Xms32768m -Xmx32768m" Try JVM_ARGS Also, don't set it to 32G - try about 2-4G. export JVM_ARGS="-Xmx2048m" A lot of the space TDB loading needs is not in the heap, it's memory mapped files which are outside the ja

Re: Scheme for Multiple files creation...

2013-12-21 Thread Chris_Dollin
On Friday, December 20, 2013 03:12:58 PM Al Shapiro wrote: > Hi! All, > > I am a newbie to the Semantic Web and tdb's, and I need an answer to the > following question(s)... > > Do I need a separate Scheme for each Triple Store file (DB) I want to > create? I'm not sure what you're really asking

Re: Find time taken by a particular query in Jena TDB

2013-12-21 Thread Andy Seaborne
On 20/12/13 20:25, Rose Beck wrote: Also I even checked the code...i think this whole reasoning is in sync. Please correct me if I am wrong? On Sat, Dec 21, 2013 at 1:51 AM, Rose Beck wrote: Great answer..but after repeating the execution of the one would not get cold cache time..right? So,