Hi,
what about using something like "tdbstats --loc=a/b/c
--graph=urn:x-arq:UnionGraph". tdbstats should accept urn:x-arg:UnionGraph
according to http://jena.apache.org/documentation/tdb/datasets.html .
Svatopluk
On May 14, 2012, at 11:13 PM, Andy Seaborne wrote:
> On 12/05/12 18:41, Sarven Capadisli wrote:
>> Hi TDBsters,
>>
>> I was just getting back to playing around with tdbstats to optimize some
>> query responses [1]. At first I couldn't get any counts, but then
>> discovered that "tdbstats only looks in the default graph (currently)"
>> [2]. So, I went on to pass one of the graph IRIs, lo and behold, I got
>> some stats for that graph.
>>
>> What I'm wondering is, how can I create stats for all of the graphs in
>> the store and possibly have them represented in stats.opt? Creating
>> stats for each graph and then merging them (with proper counts) into a
>> single stats.opt seems cumbersome and possibly incorrect. After all, I
>> want to be able to query the store in a way that the generated
>> statistics reflects the store in the most accurate way possible.
>>
>> Also.. what is the location of rule file where we write the Statistics
>> Rule Language? I can't see how that supposed to go into stats.opt
>> because then how would we obtain the counts for the triple patterns?
>>
>> Thanks!
>>
>> [1] http://jena.apache.org/documentation/tdb/optimizer.html
>> [2] http://tech.groups.yahoo.com/group/jena-dev/message/44946
>>
>> -Sarven
>
> Sarven,
>
> There isn't a way to capture proper stats across named graphs currently. The
> stats are applied to every graph, so it's not sensitive to which graph (named
> or default).
>
> The stats.opt file is the rules file. Be careful not to overwrite :-(
>
> Andy
