Hi Anrdea, Sure, I would be happy to give that a try, please let me know once it hits the nightlies. It might take me a few days to test, because to test that volume we need to clone our production server with all the data onto staging which is a big of an exercise.
Cheers, Chris On 21 October 2015 at 02:22, Andrea Aime <andrea.a...@geo-solutions.it> wrote: > On Tue, Oct 20, 2015 at 6:10 PM, Chris Brown <ch...@mangomap.com> wrote: > >> Hi, >> >> We've just installed JDBCConfig on a large GeoServer deployment with >> about 40,000 layers. The install web smoothly but we're seeing some very >> strange behaviour when we do any updates such as adding layers via the REST >> API. >> >> All such requests hang the server for around 25 minutes. Turning on the >> debugging log, it looks like some process is looping over every single >> layer in the catalog. The output in the log looks like this: >> >> If anyone has any ideas about what we may have done wrong or any ideas >> what might be causing this it would be hugely appreciated. The closest >> thing I could find to this issue was this: >> http://comments.gmane.org/gmane.comp.gis.geoserver.user/41076 >> > > You're not doing anything wrong, it's just that the core of GeoServer > still has many bits of code that are written > with an in memory catalog in mind, JDBCConfig work included some > _examples_ spread out in the code > base that serve as examples of how things should be done to work against a > in dbms catalog, > but the migration is not complete, there are still bits of code here and > there that load everything > there is to perform some in memory check, that could be replaced with a > well written query > loading only the bits that are actually needed. > > One year ago we worked on fixing the biggest offenders in the UI and some > core modules, > leaving out the integrated GWC as the biggest outstanding offender. > Guess what, I'm working on a patch to address some of the issues right > now, which might or > might not address what you're seeing, it should be landing on the > development series > next week. > > I'm not saying this will remove all "linear scans" that are in the > codebase, but it should help in some cases. > Let me know if you're interested in testing that out, if so I'll ping you > when I commit it. > > Cheers > Andrea > > -- > == > GeoServer Professional Services from the experts! Visit > http://goo.gl/it488V for more information. > == > > Ing. Andrea Aime > @geowolf > Technical Lead > > GeoSolutions S.A.S. > Via Poggio alle Viti 1187 > 55054 Massarosa (LU) > Italy > phone: +39 0584 962313 > fax: +39 0584 1660272 > mob: +39 339 8844549 > > http://www.geo-solutions.it > http://twitter.com/geosolutions_it > > *AVVERTENZE AI SENSI DEL D.Lgs. 196/2003* > > Le informazioni contenute in questo messaggio di posta elettronica e/o > nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il > loro utilizzo è consentito esclusivamente al destinatario del messaggio, > per le finalità indicate nel messaggio stesso. Qualora riceviate questo > messaggio senza esserne il destinatario, Vi preghiamo cortesemente di > darcene notizia via e-mail e di procedere alla distruzione del messaggio > stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso, > divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od > utilizzarlo per finalità diverse, costituisce comportamento contrario ai > principi dettati dal D.Lgs. 196/2003. > > > > The information in this message and/or attachments, is intended solely for > the attention and use of the named addressee(s) and may be confidential or > proprietary in nature or covered by the provisions of privacy act > (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection > Code).Any use not in accord with its purpose, any disclosure, reproduction, > copying, distribution, or either dissemination, either whole or partial, is > strictly forbidden except previous formal approval of the named > addressee(s). If you are not the intended recipient, please contact > immediately the sender by telephone, fax or e-mail and delete the > information in this message that has been received in error. The sender > does not give any warranty or accept liability as the content, accuracy or > completeness of sent messages and accepts no responsibility for changes > made after they were sent or for other risks which arise as a result of > e-mail transmission, viruses, etc. > > ------------------------------------------------------- > -- _________________ *Chris Brown* *MangoMap*
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