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Questions tagged [cache]

A location or process for storing of transitory or temporary data in order to improve application or system performance.

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How can I configure apache to cache the images that it is serving? Right now it is giving headers that look like: "max-age=0"

Serving up images that don't seem to cache There's a LAPP stack (postgresql instead of mysql) running over on http://ninjawars.net. I just recently noticed that images don't seem to be caching with any kind of good frequency as I was reloading a…
Kzqai
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How to empty the Directory-Name-Lookup-Cache?

I'm having speed problems with a Windows software that is looking up files in several directories on a NTFS formatted HDD. In order to find out why and in which settings the problem is occurring I set up a test scenario at my local PC. But this did…
Martin
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Web server hits from Akamai IP addresses

I am getting a lot of hits to my web server from multiple IP addresses that are owned by Akamai. This stood out to me as the requests are for resources that are no longer available. These resources should not be being requested - the pages that…
Joel
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Dns with parallel resolution

I'm looking for a simple caching (can be caching-only) DNS server, which can do parallel resolving on its own. Is there something like that available? Alternatively I know there's the c-ares library, which can do multiple-hosts resolution, but it's…
viraptor
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Does Tomcat or Jetty cache dynamic content?

I'm working on a Servlet app with contents that are updated periodically. Hence, between updates any dynamic pages generated by the Servlet can be cached. Does Tomcat or Jetty (or any Servlet container) offer a way to cache dynamically generated…
Continuation
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Conditionally changing MIME type in nginx

I'm using nginx as a frontend to Rails. All pages are cached as .html files on disk, and nginx serves these files if they exist. I want to send the correct MIME type for feeds (application/rss+xml), but the way I have so far is quite ugly, and I'm…
user39883
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apache's caching (mod_cache) vs squid reverse-proxy caching?

simple question about an area im not familiar with. which one is best for caching? are there other options? cause i want to be sure which one to use before i learn it. so i dont have to realize afterwards that it was a bad choice. so would be great…
ajsie
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how can i cahe one more web site on same backend server (web server) with varnish?

i have one web server which is IIS that is back on varnish. there are more web sites on ISS. there are all web sites header's on IIS and all web sites publish from port 80. can i cache all web site by varnish like below code;backend…
Kerberos
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HTTP proxy (caching) for Ubuntu Hardy?

I'm trying to find a good HTTP proxy for personal use (I might want to experiment with the code too.) Other than squid, I found tinyproxy and polipo, but apparently tinyproxy doesn't do caching. Do you know any others?
netvope
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Cache JSP ByteCode with Tomcat?

Is there any way of caching the bytecode for JSP-powered sites with Tomcat? I'm getting really fed up of Tomcat taking up all the CPU for 10 minutes while it compiles 4 different webapps every time I restart it. I'm already using Jikes to "speed up"…
Mahmoud Al-Qudsi
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Configure Squid to permanently cache specific directories?

Can Squid be configured to permanently cache specific directories of a web site? In the diagram below, the lan1 Squid should cache www.example.com/x and www.example.com/y directories permanently. Contents of directories /x /y and /z are write…
CW Holeman II
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How to configure squid for retrieving (and caching) directly my static resources?

I have an Apache/Tomcat/Spring tc Server running on CentOS EC2 VM. I would like to install squid on the same machine as a proxy for retrieving (directly i.e. without forwarding the request to Apache/Tomcat) and caching static content ONLY identified…
fabien7474
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Squid cache 302 responses

I have a very specific use case in which I need to cache EVERYTHING. Including 302s. I know it's technically against the HTTP RFC, but I know those redirects will always be the same and I need them to never be retransmitted more than once. Is there…
Martin Horský
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FireFox gets ns_error_net_interrupt when clicking on loaded page

FireFox is connecting to my website, but accessing already visited pages would randomly not connect resulting in a Secure Connection Failed Chrome and Microsoft Edge are not having that problem. What is strange is that reloading the page is also…
MeSo2
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Is there any cli to detect directory changes between bash script runs?

For example I have this command generate-and-deploy-new-version ./site-directory and I want to run it only if content of the ./site-directory was changed. if checkchanges "./site-directory" ; then generate-and-deploy-new-version…
ais
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