As you noted, etags et al doesn't work for dynamic pages. You can use memcache for rendered fragments of a page as well as objects.
Jeffrey Quoting badnaam <[email protected]>: > Yes, it seems the whole notion of etags, last_modified is pretty > useless for even remotely dynamic pages. For example, let's say If am > shows a list of posts on a Post Index action. I can may be generate > etags based on the Post count and send a 304 back, but if that page > has a navbar that shows the current logged in users, even that > information is not updated, it essentially it seems is telling the > browser load the entire page for that action from cache. > > Don't most apps similar structure (a username at the top, may be a > badge or something that is specific to a logged in user), how would > you etag these kind of pages? > > > > On Oct 4, 5:05 pm, "Jeffrey L. Taylor" <[email protected]> wrote: > > Quoting badnaam <[email protected]>:> Is it possible to take advantage > > of http caching/proxy caching with > > > dynamic pages? i.e. pages with section/part that can change over time > > > but certain part of the page remain the same. I would rather not keep > > > re-rendering the static part but insure the dynamic part are rendered > > > with fresh data. > > > > > I am using memcached mostly as an object store that I can minimize db > > > hits but I still am rendering a bunch of views over and over again. > > > > > What's the general best practice to deal with something like this.. > > > > [snip] > > > > If favorite_count is rendered at one end or the other, you can use fragment > > caching and memcache for the unchanging part. Or two fragments if > > favorite_count is in the middle. > > > > HTH, > > Jeffrey > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
