Not many answers down here. Let me ask a simpler question: is ehcache used per default? I seem to see a bit more about oscache... is this one rather used? Are both used?

thanks in advance Paul Le 1 mai 2011 à 22:06, Paul Libbrecht a écrit : > Hello XWiki-devs, > > maybe this forum is better than curriki-dev. > > In short: how can I boost the size of the cache of objects held by hibernate? > > thanks in advance > > paul > > >> as you know curriki.org is somewhat of a fat server serving really many requests. >> >> One symptom we are seeing on the production machine only, almost, is: >> xwiki.getPlugin("curriki").fetchUserGroups(). >> that sometimes takes more than 1 minute and sometimes much less, all for the same user. >> On the development machine it takes time with users with a lot of groups only when the hibernate cache is flushed. >> >> My interpretation is that this method is fetching the group and probably a lot more. My answer would be to go low-level. >> >> But another answer would be to ensure that the hibernate cache is big enough so that all these stay in memory. Making this possible would also speed up a huge amount of other things. >> >> Are we talking of the file ehcache.xml's attribute: >> maxElementsInMemory="10000" >> ? >> I sure could raise this by a factor 10 if true. >> >> thanks in advance >> >> paul

Hi Paul, On Jul 20, 2011, at 9:33 PM, Paul Libbrecht wrote: We're only using jbosscache. ehcache has never been used AFAIK, the other implementation that we have but that we're no longer using is oscache.

Thanks -Vincent > > thanks in advance > > Paul > > > Le 1 mai 2011 à 22:06, Paul Libbrecht a écrit : > >> Hello XWiki-devs, >> >> maybe this forum is better than curriki-dev. >> >> In short: how can I boost the size of the cache of objects held by hibernate? >> >> thanks in advance >> >> paul >> >> >>> as you know curriki.org is somewhat of a fat server serving really many requests. >>> >>> One symptom we are seeing on the production machine only, almost, is: >>> xwiki.getPlugin("curriki").fetchUserGroups(). >>> that sometimes takes more than 1 minute and sometimes much less, all for the same user. >>> On the development machine it takes time with users with a lot of groups only when the hibernate cache is flushed. >>> >>> My interpretation is that this method is fetching the group and probably a lot more. My answer would be to go low-level. >>> >>> But another answer would be to ensure that the hibernate cache is big enough so that all these stay in memory. Making this possible would also speed up a huge amount of other things. >>> >>> Are we talking of the file ehcache.xml's attribute: >>> maxElementsInMemory="10000" >>> ? >>> I sure could raise this by a factor 10 if true. >>> >>> thanks in advance >>> >>> paul

Le 21 juil. 2011 à 00:21, Sergiu Dumitriu a écrit : aaaaah. This is the one I am interested into: the one of hibernate. And indeed, all the abstraction kind of prevents me to be sure of things. Any way I can be sure ehcache is the one used? thanks in advance Paul _______________________________________________ devs mailing list devs(a)xwiki.org http://lists.xwiki.org/mailman/listinfo/devs