The only way I got it to cache parameters is by using fragement caching.
<% cache :controller => ‘search’, :action => ‘results’, :id => ‘1’,
:param1
=> ‘p1’, :param2 => ‘p2’ %>
code… html…
<% end %>
If you use file store for fragment caching, you can define the cache
location.
Hope this helps,
Mac