Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [mod-cache]

48 questions
7
votes
2 answers

Apache cache serving partial content 206 responses to requests for the full content

We're running Plone 3.3.6 behind Apache 2.2.19 with mod_cache. We've recently noticed that Apache is caching the 206 response to a range request and then serving that partial response when a request for the full resource is made. What seems to…
scarba05
  • 333
  • 6
  • 15
6
votes
1 answer

Apache/mod_cache: "Error 103 Software caused connection abort"

We keep getting the following error popping up in the apache error log: [error] (103)Software caused connection abort: cache: error returned while trying to return disk cached data This error occurs at irregular intervals, but on average about 1-2…
Rick Westera
  • 161
  • 1
  • 4
5
votes
2 answers

mod_cache not working

I have a PHP site that has many dynamically generated pages. I'm trying to turn to mod_cache to help boost performance, because in most cases, content does not change in a given day. I have configured mod_cache as best I could, following examples…
Pistos
  • 2,863
  • 5
  • 21
  • 21
5
votes
2 answers

Apache no-cache on specific files

I have an application that has the following rewrite rule: RewriteCond /tmp/maintenance.html -f RewriteCond %{HTTP_HOST} !^backdoor.myapp.com$ RewriteRule ^(.*)$ /tmp/maintenance.html [L] This is our 'maintenance mode'. so I enable…
brad
  • 492
  • 1
  • 10
  • 22
4
votes
1 answer

Varnish + Tomcat vs Apache + mod_jk + Tomcat

Does anyone have some performance metrics for Varnish in front of 1) Tomcat or 2) Apache with mod_jk (connected to Tomcat). I know that the AJP connector is supposedly faster than HTTP, but I was thinking that Varnish which is lighter and highly…
Adrian Ber
  • 305
  • 2
  • 5
  • 16
4
votes
0 answers

How mod_cache working with "must-revalidate" and "max-age"?

Quick question before I will explain my flow: Сan mod_cache perform revalidate with if-none-match only if max-age is expired in case if it configured in reverse proxy mode? My goal is to reduce a number of revalidation requests to our the origin…
Dmitriy Sosunov
  • 181
  • 1
  • 8
4
votes
1 answer

Confused about caching solution: MemCache, Varnished, mod_cache, else?

I have a very heavy site in my server. The load of the server is always about 30-50 and sometimes it become even 150 and server work really hard. I'm looking for a caching solution that can increase performance of server and decrease the server…
bman
  • 219
  • 4
  • 13
3
votes
3 answers

set cache control header based on content type in apache

We are trying to set Cache-Control header: max-age=300, public to all our public site pages. To use Filesmatch, my applciation pages do not have any extensions. ExpiresByType is available, but it has its own disadvantages. I am looking for a way to…
skonka
  • 91
  • 1
  • 4
3
votes
1 answer

Apache caching of static content (jpg, png, js, ...) on the apache proxy server using mod_jk

I'm using an apache as frontend webserver that load balance users between 3 nodes of tomcat web servers. I use mod_jk to do that. What I want is how can I configure apache on this presentation server so that it would cache all files with specific…
tamere22
  • 31
  • 1
  • 2
3
votes
2 answers

Apache mod_disk_cache working for small files but not big files

I have enabled the mod_cache and mod_disk_cache Apache modules, to enable caching of dynamically generated images form a PHP script (based on width and height parameters). Everything works fine (Apache caches the files) whenever I supply small width…
quentinadam
  • 321
  • 2
  • 12
3
votes
1 answer

Apache mod_cache: Strip/ignore (only) Google Analytics cookies

Varnish has the possibility to strip certain cookies from the request before deciding if a request is non-cachable because it contains cookies. Is there such a thing for Apache's mod_cache? Consider this situation: Apache 2.2 is a reverse proxy with…
Paul
  • 1,890
  • 3
  • 18
  • 24
3
votes
1 answer

Apache caching based on cookie

I'm trying to put mod_cache in front of my application server to cache "public" requests but not requests from logged-in users. For various reasons using alternate subdomains or paths isn't a viable option for me. I have the basics set up as: #…
SpliFF
  • 394
  • 2
  • 7
  • 24
2
votes
1 answer

Disable mod_cache if Authorization header is present

My website serves the same pages to both logged in and logged out users. Requests from logged in users have an Authorization header. I want to use Apache's mod_cache to serve cached pages only to logged out users. Starting with a fresh server, I can…
moolagain
  • 33
  • 3
2
votes
0 answers

Apache mod_proxy + mod_cache (socache and disk)

I have here a three node apache mod_proxy load balancing cluster. now i want enable mod_cache to get more load from the backend to the frontend. So thats my config for the cache: …
RAPS
  • 21
  • 1
2
votes
0 answers

How to tell apache to look for last modified date before serving an old modified HTML file?

On certain requests my Django application updates static HTML files. However apache is serving them old copy from its cache... How can I configure Apache to make sure serve latest file changes.. This changes are not so frequent but as changes are…
shahjapan
  • 131
  • 1
  • 13
1
2 3 4