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Re^2: Predictive HTTP caching in Perlby ryantate (Friar) |
on May 03, 2006 at 14:33 UTC ( [id://547160]=note: print w/replies, xml ) | Need Help?? |
Good questions.
Why not do it at midnight? Freshness. Note the part where I say "late enough that the results are less than 45 minutes old 15 times, so the cache is really fresh." Many of the sources I read update during the night. Think of a page of online newspaper links, typically updated around 3 am in whatever time zone the newspaper is located. But I'm also mixing in blog feeds, updated on a less predictable schedule. So the goal is to cache as soon as possible before a likely visit. Simply caching -- with a conventional ttl scheme like you describe -- is, as I explained in my post, not going to cut it. Note I am not dealing with images or other static content that could live happily in such a cache -- or links to other pages, some of which maybe static -- only the text of the Web pages, most of which, again, change every single day. I appreciate your reply.
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