Hoping these more details can help solve this issue: in order to restart
Stanbol I have to clear up the sling/felix/bundle85/data/tdb-data/mgraph/
folder otherwise these files get loaded at start-up and the server breaks
with 'Too many open files'.

BR
David

On Fri, Mar 16, 2012 at 11:49 AM, David Riccitelli <[email protected]>wrote:

> I'll try to add more details on what is happening now: all the analysis
> jobs are failing because of this error: java.io.IOException: Too many open
> files.
>
> I found more than 1.300 ontonet files open by the *java* process:
> $ lsof  | grep "mgraph/ontonet" | wc -l
> 1323
>
> e.g.
>
> sling/felix/bundle85/data/tdb-data/mgraph/ontonet%3A%3Ainputstream%3Aontology49/OSP.idn
>
> sling/felix/bundle85/data/tdb-data/mgraph/ontonet%3A%3Ainputstream%3Aontology49/OSP.dat
>
> It's important to note that I am the only user on this stanbol instance
> and the error is raised at the second analysis.
>
> I think I can easily help you reproduce this issue in case.
>
> BR
> David
>
> On Fri, Mar 16, 2012 at 11:44 AM, Rupert Westenthaler <
> [email protected]> wrote:
>
>> Hi David, all
>>
>> this could be the explanation for the failed build on the Jenkins server
>> when the SEO configuration for the Refactor engine was used in the default
>> configuration of the Full launcher
>>
>> see http://markmail.org/message/sprwklaobdjankig for details.
>>
>> For me that looks like as if the RefactorEngine does create multiple Jena
>> TDB instances for various created MGraphs. One needs to know the even for
>> an empty graph Jena TDB creates ~200MByte of index files. So it is
>> important to map multiple MGraphs to different named graphs of the same
>> Jena TDB store.
>>
>> I have no Idea how Clerezza manages this or how Ontonet creates MGraphs,
>> but I hope this can help in tracing this down.
>>
>> best
>> Rupert
>>
>> On 16.03.2012, at 10:30, David Riccitelli wrote:
>>
>> > Dears,
>> >
>> > As I ran into disk issues, I found that this folder:
>> > sling/felix/bundleXXX/data/tdb-data/mgraph
>> >
>> > where XX is the bundle of:
>> > Clerezza - SCB Jena TDB Storage Provider
>> > org.apache.clerezza.rdf.jena.tdb.storage
>> >
>> > took almost 70 gbytes of disk space (then the disk space has been
>> > exhausted).
>> >
>> > These are some of the files I found inside:
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology889
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology1041
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology395
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology363
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology661
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology786
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology608
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology213
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology188
>> > 193M ./ontonet%3A%3Ainputstream%3Aontology602
>> >
>> >
>> > Any clues?
>> >
>> > Thanks,
>> > David Riccitelli
>> >
>> >
>> ********************************************************************************
>> > InsideOut10 s.r.l.
>> > P.IVA: IT-11381771002
>> > Fax: +39 0110708239
>> > ---
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>> > Twitter: ziodave
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>> >
>> >
>> ********************************************************************************
>>
>>
>
>
> --
> David Riccitelli
>
>
> ********************************************************************************
> InsideOut10 s.r.l.
> P.IVA: IT-11381771002
> Fax: +39 0110708239
> ---
> LinkedIn: http://it.linkedin.com/in/riccitelli
> Twitter: ziodave
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>


-- 
David Riccitelli

********************************************************************************
InsideOut10 s.r.l.
P.IVA: IT-11381771002
Fax: +39 0110708239
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Twitter: ziodave
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