Hi, here the extra output:
Physical mem: 3961MB Heap size: 1809MB store_dir=/neo4j_database/ rebuild_idgenerators_fast=true neostore.propertystore.db.index.keys.mapped_memory=1M logical_log=/neo4j_database//nioneo_logical.log neostore.propertystore.db.strings.mapped_memory=69M neostore.propertystore.db.arrays.mapped_memory=1M neo_store=/neo4j_database//neostore neostore.relationshipstore.db.mapped_memory=1372M neostore.propertystore.db.index.mapped_memory=1M create=true neostore.propertystore.db.mapped_memory=275M dump_configuration=true neostore.nodestore.db.mapped_memory=91M dir=/neo4j_database//lucene-fulltext Am 23.11.2010 11:07, schrieb Johan Svensson: > Hi, > > Could you add the following configuration parameter: > > dump_configuration=true > > and send the output printed to standard out when starting up. Other > useful information would be some thread dumps while executing a query > that takes long time (send kill -3 signal to the process). > > Regards, > Johan > > On Tue, Nov 23, 2010 at 10:53 AM, Martin Grimmer > <[email protected]> wrote: > >> Hello, >> >> while running my benchmark i did the following: >> added: -verbose:gc to see gc usage >> run sar -u 1 100 >> >> and here are the results: >> on a 4 core cpu >> >> CPU %user %nice %system %iowait %steal %idle >> all 0,75 0,00 0,62 18,81 0,00 79,82 >> >> >> -> Scaled to 1 core: actually the cpu does nothing to compute the >> queries. Only 0.75% * 4 = 3% CPU usage for a single core, and 18,81% * 4 >> = 75,24% io wait for a single core, the rest is divided into system and >> idle. >> >> The gc output: >> ... >> [GC 806876K->326533K(1852416K), 0.2419270 secs] >> ... many queries ... >> [GC 873349K->423494K(1837760K), 0.3257520 secs] >> ... many queries ... >> [GC 956678K->502630K(1643648K), 0.3619280 secs] >> ... many queries ... >> [GC 839654K->551462K(1686720K), 0.3088770 secs] >> ... >> >> So its not the GC. >> >> Thanks to all of you, >> >> > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user > -- * Martin Grimmer * Developer, Semantic Web Project, IT Unister GmbH Barfußgässchen 11 | 04109 Leipzig Telefon: +49 (0)341 49288 5064 [email protected] <mailto:%0a%20%[email protected]> www.unister.de <http://www.unister.de> Vertretungsberechtigter Geschäftsführer: Thomas Wagner Amtsgericht Leipzig, HRB: 19056 _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
