Hi-- I'm thinking of using JBossCache in a large project and I've been reading the docs, but I'm not totally clear about some aspects. I appologize for the really basic questions, but I was hoping someone might know, since it would help me choose whether to use JBossCache.
I've got a Map that's tracking how many times certain things are accessed in order to do some statistics. So, I've got a map of key -> long where I'll be incrementing the value extremely often. I want the current values to persist between sessions, but if on a major error or shutdown, I lost a few updates, it's not the end of the world (likewise, if I few machines in a cluster occasionally step on each other and I lose an increment, it's not a crisis). So, I know that I want to use JBossCache and have it occasionally write updates to disk. I assume a CacheLoader is the right way to go. Here are my questions: 1) Does this decouple cache reads from saving to disk? So, I can do an update and the main thread of my program containues without waiting for the update to disk. (I've been prototyping using a SQL database, and waiting for writes to happen before continuing makes my system unusable). 2) Does it write every for update, or can it batch changes? I'd love it if I could say "Only write changed values every 5 minutes". 3) If the above are doable, can they be done with the exisiting CacheLoaders, or would I need to write a custom one? and a free bonus question: 4) Is there any way to make things more memory-efficient if I'm mapping long->long. Thank you very much for your help, Dan View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3906905#3906905 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3906905 ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Download it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php _______________________________________________ JBoss-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/jboss-user
