Yes by using read/write locks. Didn't use ConcurrentHashMap after all due to lack of LRU in it.
Br's, marius On Apr 12, 9:07 pm, Timothy Perrett <timo...@getintheloop.eu> wrote: > Interesting marius - I havent checked out the code yet, but did you > manage to work around the thread safe issues? > > Cheers, Tim > > On Apr 11, 9:16 pm, "marius d." <marius.dan...@gmail.com> wrote: > > > I just committed a SoftReferenceCache implementation in utils and it > > is used by InMemoryCache. So far testing it looks pretty good. The > > point of a SoftReferenceMap is probably obvious to prevent (as much as > > possible) OOME. This is fine IMHO cause it's more important to have > > the application running an not crash due to large potentially large > > caches. Of course if a cache template is gc-ed it will be re-cached on > > the subsequent attempt to use it. > > > I would appreciate any early feedback. > > > Br's, > > Marius > > > On Apr 6, 1:00 am, Derek Chen-Becker <dchenbec...@gmail.com> wrote: > > > > I agree. Thread safety would be nice, and should be easily achievable with > > > some existing code. The beauty of traits is that we can get these > > > orthogonal > > > behaviors through composition. > > > > Derek > > > > On Sun, Apr 5, 2009 at 2:21 PM, Timothy Perrett > > > <timo...@getintheloop.eu>wrote: > > > > > Just taken a look over the code - looks pretty cool! > > > > > I like your ideas for ConcurrentHashMap - all sounds pretty awesome... > > > > regarding the use of EHCache, I rekon as long as provide a hook > > > > mechinism into the cache system, then sure, we should let people worry > > > > about those issues in there specific implementation as 90% of users > > > > simply wont need that functionality IMO. > > > > > Cheers, Tim > > > > > On Apr 5, 8:53 pm, Timothy Perrett <timo...@getintheloop.eu> wrote: > > > > > Wow, derek you must be watching Github like a hawk haha ;-) > > > > > > Just to bring an off list convo between myself and Marius onto the > > > > > list, > > > > are > > > > > we looking at having some generic caching infrastructure in lift? This > > > > would > > > > > be great re the localization / translation stuff im working on which > > > > > currently uses KeyedCache in lift-util as a base. > > > > > > Im just doing a git pull for the cache branch... > > > > > > Cheers > > > > > > Tim > > > > > > On 05/04/2009 20:38, "marius d." <marius.dan...@gmail.com> wrote: > > > > > > > Good :) ... I was also thinking on a flush-able caching mechanism. > > > > > > So > > > > > > far the InMemoryCache is more for exemplification as it is not yet > > > > > > thread safe. It is based on LRU cache but I'm also thinking to also > > > > > > combine the ConcurrentHashMap approach with LRU ... also I was > > > > > > thinking to a SoftReference map (as I implemented this once in Java) > > > > > > but we'll see. It's evolving. I'm not sure at all if we should use > > > > > > EHCahe or JBossCahe like solutions as we don't really need > > > > > > distributed > > > > > > caching. Basides if people will want this they can just plugin their > > > > > > own caching mechanisms. > > > > > > > Br's, > > > > > > Marius > > > > > > > On Apr 5, 10:24 pm, Derek Chen-Becker <dchenbec...@gmail.com> wrote: > > > > > >> I just saw the commit from Marius on a preliminary template cache > > > > > >> and > > > > it > > > > > >> looks good. I was thinking the same thing in terms of where and > > > > > >> how to > > > > hook > > > > > >> it. I think that there are some possibilities for some more > > > > functionality on > > > > > >> the TemplateCache trait, including a programmatic flush (in case > > > > you're > > > > > >> pushing new template files in production and want to force > > > > re-fetching, for > > > > > >> instance), but I like the basic concept. > > > > > > >> Derek --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Lift" group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~----------~----~----~----~------~----~------~--~---
