My question is an extension of this one How to manipulate page cache in Linux? I was trying to do a small project that aims to limit the size of page cache used on a per file basis. The approach I...

I've been running Kafka on Kubernetes without any major issue for a while now; however, I recently introduced a cluster of Cassandra pods and started having performance problems with Kafka. Even t...

To ask the question another way, can you confirm that when you mmap() a file that you do in fact access the exact physical pages that are already in the page cache? I ask because I’m doing testing...

I'm pretty sure I can page cache the vast majority of my site but the one thing preventing me from doing so is that my flash messages will not show, or they'll show at the wrong time. One thing I'...

Is there any way to tell Rails 3 to cache all pages in a given controller without having to list them all when calling caches_page? I tried caches_page :all, but it doesn't work.

Is it possible to turn on page caching for a functional test? The following didn't work: class ArticlesControllerTest < ActionController::TestCase def setup ActionController::Base.public_cla...

I have a page with the following caching defined: <%@ OutputCache Duration="60" VaryByParam="None" %> I have a user control inside that page that i don't want cached. How can I turn it off...

I have a controller index action which returns json output. render :json => my_array.to_json What type of caching do I have to use here. Does 'page caching' make sense for this. Or do I have...