[OTDev] OpenAM performance
Andreas Maunz andreas at maunz.deTue Jul 5 18:48:10 CEST 2011
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Hi Nina, On Tue, 5 Jul 2011 17:00:06 +0300, Nina Jeliazkova <jeliazkova.nina at gmail.com> wrote: > Currently at http://apps.ideaconsult.net:8080/ambit2/ there are roughly > 37000 datasets and ~470 models. This includes all intermediate datasets and > models, created (and not deleted yet) by all partners and third party tools, > who have been using the service since last year. > > This is already three times more than the number of existing policies in > OpenTox production AA, and the performance of the production AA server is a > showstopper to hook our production services into the AA infrastructure, > unless > > a) we consider some of the resources obsolete and perform a clean up; > b) we bring up our own instance of AA, which can handle this amount of > resources; > c) we find out/develop more efficient approach to policy management. Obviously, the easiest way is b). Concerning Vedrin's experiments, it would be rather straightforward what to do (correct me if I am wrong), namely to give the main proportion of RAM to a dedicated LDAP hosting policy configuration in a separate JAVA VM. Currently, the production service has only 2G of memory (and it does not use a dedicated LDAP). Jiffybox offers "CloudLevel 5" (16 GB RAM / 8 CPUs) for 0,25 EUR/h, which is their most powerful appliance. When switching the machine (be the new one physical or not) we should consider starting from scratch, as no upgrade from OpenSSO/OpenAM 9.0 to the current version seems possible. Best regards Andreas
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