Hi, org.qi4j.index.rdf.RDFPerformanceTest<http://waybuild.gotdns.com/bamboo/browse/QI4JEXTS-TRUNK-84/test/org.qi4j.index.rdf.RDFPerformanceTest>
fails with "initializationError0" java.lang.Exception: No runnable methods /Arvid 2010/2/19 Rickard Öberg <[email protected]> > Hi, > > I did some tests, and found a number of ways to fix this issue. > > First of all, whenever you do benchmarking, make sure you run the test > repeatedly. Running it once will not allow the JIT to kick in. Run tests > about 10 times instead, in the same go, to get more stable numbers. > > Second, I changed the notifyChanges() indexing in RdfEntityIndexerMixin to > do the removes in one call to Sesame, instead of one call per object. > > Third (and most important), you had forgotten to add indexes. I added this: > prefModule.forMixin( NativeConfiguration.class > ).declareDefaults().tripleIndexes().set( "cspo,spoc" ); > > And the performance became muuuuuch better. Along with the other fixes, my > results (two-year-old MacBook Pro, 24Ghz, are: > > > On 2010-02-18 19.01, Stanislav Muhametsin wrote: > >> .18.2.2010 12:54:01 >> org.qi4j.entitystore.prefs.PreferencesEntityStoreMixin activate >> INFO: Preferences store:/Application >> 17717 [main] INFO org.qi4j.index.rdf.newtests.RDFPerformanceTest - Time >> to create 200 entities (ms): 1520 >> 21787 [main] INFO org.qi4j.index.rdf.newtests.RDFPerformanceTest - Time >> to complete creation uow (ms): 4070 >> 18.2.2010 12:54:10 org.qi4j.index.rdf.query.internal.RdfQueryParserImpl >> getQuery >> <snip query> >> 26655 [main] INFO org.qi4j.index.rdf.newtests.RDFPerformanceTest - Time >> to delete 200 entities (ms): 4868 >> 97731 [main] INFO org.qi4j.index.rdf.newtests.RDFPerformanceTest - time >> to complete deletion uow (ms): 71076 >> > > 4864 [main] INFO org.qi4j.index.rdf.RDFPerformanceTest - Time to create 200 > entities (ms): 5 > 4915 [main] INFO org.qi4j.index.rdf.RDFPerformanceTest - Time to complete > creation uow (ms): 51 > Feb 19, 2010 12:47:07 PM > org.qi4j.index.rdf.query.internal.RdfQueryParserImpl getQuery > <snip query> > 4963 [main] INFO org.qi4j.index.rdf.RDFPerformanceTest - Time to delete 200 > entities (ms): 12 > 5145 [main] INFO org.qi4j.index.rdf.RDFPerformanceTest - time to complete > deletion uow (ms): 182 > 5145 [main] INFO org.qi4j.index.rdf.RDFPerformanceTest - time to complete > test (ms): 286 > > 286ms compared to 97secs is a big difference. My guess is that the lack of > indexing was the biggest problem. In any case, I've checked in the updated > RDF indexer version which removes all entities in one call, which should > help regardless. > > /Rickard > > > _______________________________________________ > qi4j-dev mailing list > [email protected] > http://lists.ops4j.org/mailman/listinfo/qi4j-dev > >
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