On 2/6/14 5:10 PM, Kristian Alexander wrote:
I am curious if DBPedia uses Virtuoso as one big high performance machine, or a cluster of Virtuoso nodes. If a cluster, how many nodes are used to interact with the data via DBPedia official SPARQL endpoint?
The information about any Virtuoso instance is always printed in the footer page of instances such as DBpedia, DBpedia-Live (our hosted edition), LOD Cloud Cache etc..
Links:[1] http://dbpedia.org/fct/ -- OpenLink Virtuoso version 07.10.3207, on Linux (x86_64-redhat-linux-gnu), Standard Edition (basically, this is a single-server as opposed to cluster edition of Virtuoso 7.1)
[2] http://dbpedia-live.openlinksw.com/fct/ -- OpenLink Virtuoso version 07.10.3207, on Linux (x86_64-redhat-linux-gnu), Standard Edition (ditto)
[3] http://lod.openlinksw.com/fct/ -- OpenLink Virtuoso version 07.10.3207 as of Feb 5 2014, on Linux (x86_64-redhat-linux-gnu), Cluster Edition(4 server processes, 756 GB total memory) (cluster edition) .
We just need to get this information a little more uniform; for instance, #1 and #2 should include host OS memory; ditto the /sparql endpoints which are missing all the information in #3 etc..
-- Regards, Kingsley Idehen Founder & CEO OpenLink Software Company Web: http://www.openlinksw.com Personal Weblog: http://www.openlinksw.com/blog/~kidehen Twitter Profile: https://twitter.com/kidehen Google+ Profile: https://plus.google.com/+KingsleyIdehen/about LinkedIn Profile: http://www.linkedin.com/in/kidehen
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