Thanks for your help. I looked at the Cache::FastMmap and it also says BerkeleyDB is the best overall for these kind of processing. I read the BDB document but is there a method (similar to expiration time) in BerkeleyDB that can be used to refresh the information. Also Can I do the following?
Write a C app (that will run external from Apache/ModPerl) that will store the information in the BDB and put the CApp in a cronjob to refresh it every 20 minutes? Then all I will do in the perl section is just read the data.
I am a newbie and I would appreciate your help.
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I think you'd be better off with Cache::FastMmap because it handles the expiration and can automatically fetch new values from the database when the cached data expires (see the read_cb() method). With BerkeleyDB you would have to do that yourself.
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