Caching is the use of a faster data store to improve response time, by reducing the amount of processing.
1
vote
1answer
34 views
Is there any side effect to use APC installed on shared hosts?
I'm using a shared host for a Drupal6 site.
And this shared host has an option to use "APC".
I just tried this option on a test site as it can be enabled just by one click on my account page of the ...
2
votes
1answer
37 views
What is the advantage of the APC module?
I had the APC PHP extension enabled it it seems to work well. I had 0.0% misses and not much fragmentation.
Then I installed the APC module with:
$conf['cache_backends'][] = ...
0
votes
0answers
21 views
Drupal + Varnish: cache revalidation
I have Drupal set up with Varnish cache. I have understood almost every part in the process of setting and using the cache. Yet, there is a subject I need some enlightenment on.
Let's say I access my ...
1
vote
0answers
48 views
How to cache url aliases properly in Drupal 7
I have heard Drupal 7 caches url aliases per page. This is not useful if you are caching pages in Varnish for example. The D6 module Pathcache was effectively for this purpose however it does not have ...
1
vote
1answer
29 views
Turn off Drupal caching without Access to admin panel
I'm using Drupal 7 on WAMPP , Windows 7
Background: Drupal on my local box is copy of working project, but this local version I can not login like admin , because it doesn't store session. It doesn't ...
0
votes
0answers
18 views
How to tell which page resources or items are being loaded via a CDN in Drupal 7?
I just setup the free cloudflare CDN for Drupal 7 and wanted to know how and which items on the page are being retrieved from the CDN? Where can i go to see this data in the browser?
-1
votes
0answers
18 views
Cache conflict with boost
I cached my website with the great Boost module and i need the cache expiration module too to manage my expiration logic .
I installed also the cron cache module to help me flushing all the database ...
1
vote
1answer
23 views
How to find out whether or not a page is cached?
I have some serious problems with the performance of my Drupal website and I think that the problem may caused by the fact, that the pages are not cached. How can I find out whether or not a page was ...
0
votes
0answers
20 views
Pages don't update, clearing cache doesn't help
I have a site on Drupal 6. A week ago I've update some content and the changes are visible when I'm logged in, but when opening the site as an anonymous user, I still get the old content. I've tried ...
0
votes
1answer
28 views
How can I ensure this block is properly cached?
I have been trying to get the some book menus displayed by nice menu, and after asking some questions on stackoverflow 1 and stackoverflow 2 settled on this code. My ultimate intention is to turn it ...
1
vote
0answers
22 views
Path of a block
We have a home page (Drupal 7) on which we have a block that we want to cache for only 1 minute while the rest of the page can be cached longer. We are using Akamai and Varnish for this.
We ...
0
votes
0answers
13 views
render array caching per node
I have a few render arrays inside hook_node_view which I'd like to cache. I'm doing something similar to the below:
$my_item = array(
'#theme' => 'item_list',
'#items' => array(),
...
4
votes
0answers
55 views
Letting anonymous users vote in a poll when using Varnish
I have a poll on my front page that I want users to be able to vote on, but anonymous users always just see the results and are never able to vote. I've been trying just about everything I can think ...
1
vote
1answer
92 views
Cache Form table size is enormous
Cache table's size had increased to 10+ GB last month, and I had fixed it temporarily by truncating it. Last time I checked it was around 1GB. So in couple of months it will hit 10GB again. How should ...
2
votes
0answers
46 views
Is form data cached?
Is form date cached? I have an interesting bug on my site. There is a form for logged in users and it is used very frequently. Sometimes, after long time usage, some data doesn't change when it should ...
1
vote
1answer
46 views
Selectively clear cache, without AdminMenu
I've been using AdminMenu on my site, and have noticed significant performance issues. I'd like to disable it, but I have a number of "Admin Lite" users, who depend on being able to selectively clear ...
1
vote
1answer
50 views
How do I not cache dynamic content but cache everything else (or similar workaround)?
I have a production site with page caching enabled (this is not negotiable). One very popular feature requires dynamic content to be queried from an external socket and displayed; this content is ...
3
votes
3answers
75 views
Clear cache strategy?
I'm a newbie in Drupal. I usually use the clear cache function from Devel module for each changes(sometime i use Drush comand line tool) like : modify css, create/change blocks, change permissions, ...
0
votes
0answers
28 views
Boost module causing page to constantly refresh
To speed up my site I enabled the Boost Module. On firefox the site loads for a second then refreshes. It constantly does this for eternity causing the page to never load. When I disable javascript ...
0
votes
2answers
63 views
How to disable the cache tables
I make a newspaper website from long time using drupal 7 and now its database is very large.
Most of the time, the database server is down because of that. The tables that are more problematic are ...
0
votes
0answers
15 views
Stuff added to <head> not included in cached version
I have a page on drupal 7 where I have the text format set to PHP Code. I am using the drupal_add_html_head() to include a few CSS/JS files, and an RSS link. My problem is that everything I add with ...
0
votes
1answer
82 views
Using Varnish with multiple vhosts
I have varnish configured and "working" on port 80. I have apache running a few instances of Drupal 6 on port 8080. One for dev, review and one for production. I used the four kitchens vcl file as ...
0
votes
0answers
12 views
Drupal Cache for Country IP Address
Is it possible to configure any of the Drupal caching modules to cache page content based on IP address.
The website in question displays things such as phone numbers, pricing, dependent on the ...
0
votes
1answer
43 views
When exporting .sql via phpMyAdmin do you need to include cache tables?
So I built the D7 site on one server and then moved it to other server and I noticed that .sql size is 8MB in total. I then exported .sql without any cache tables, including cache_* files like ...
2
votes
1answer
42 views
Is there any danger in caching forms, such as node edit, add, etc?
I am playing with authenticated caching modules to speed up performance while logged in. Currently I am using authcache. However, authcache and other caching modules often have node add, node edit, ...
1
vote
0answers
45 views
Tuning with New Relic
So I've finally delved into tuning up my aging Drupal 6 site using NewRelic and like most I'm amazed at what their product has to offer. Very useful for honing in on problem areas. However, being new ...
0
votes
2answers
43 views
If not hook_init(), what can be used for cached pages?
I created a module to keep query_string laden links from a client site active (per client's request, background question here).
This code works wonderfully when I'm logged in (as user 1); however, I ...
0
votes
0answers
19 views
Clearing Chache For Parked Domains
I am using boost for cache my website. the website can be accessed through multiple parked domains. When I clear all caches by accessing my admin area through one domain it clears the cached pages ...
0
votes
0answers
100 views
Pages never cached, X-Drupal-Cache always MISS (using apc)
We run a Drupal 7 site where 99% of the traffic comes from anonymous users. Sometimes the traffic can spike very fast, so caching the barely changing content is essential for the performance. Checking ...
0
votes
0answers
69 views
Clear cache -> Error 500
I'm having a serious issue with a drupal 6 site. Any time i try to clear the caches i get an HTTP Error 500 (Internal Server Error): An unexpected condition was encountered while the server was ...
3
votes
1answer
114 views
Boost plus Cloudflare
Can we use Boost together Cloudflare?
I am curious whether using both can be enabled on the site, and whether doing so will actually improve performance.
1
vote
1answer
60 views
Boost not updating without www site after clearing cache
Boost is working good on my website but the problem is that after making any changes to my website I clear all cache from performance page. The changes I have done are reflecting if I am accessing ...
0
votes
0answers
45 views
Last-modified Header always displays current time even with cache enabled
This is what my Headers look like
Date: Wed, 13 Mar 2013 14:18:17 GMT
Server: Apache/2.2.12 (Linux/SUSE)
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Wed, 13 Mar 2013 ...
1
vote
1answer
58 views
unwanted cache_page flush for no reason
On my drupal 6 site, from time to time, for no obvious reason, all caches gets cleared. Native caching is enabled (normal caching mode, minimum lifetime 1 day). Cron is not setup to run automaticaly. ...
2
votes
1answer
79 views
How does the internal entity cache work?
The internal entity cache is interfering with display modes on my site. I have a view that is displaying a node with a custom display mode, 'slideshow'. When I look at the view from a page that ...
0
votes
1answer
59 views
Added some function to theme's template.php and got WSOD (White screen of death) How to restore? [closed]
Yeah so here's the deal. Using D7 with Omega theme. And I added some function to the template.php of my child theme, cleared the cache and BAM! WSOD. I restored my template.php to its original, but ...
2
votes
2answers
145 views
How to theme Panels properly?
I am using Page Manager and Panels, providing custom node panels with selection rules by type (e.g. one panel variant for article-, one panel variant for blog-content type). This works smooth so far, ...
1
vote
1answer
155 views
How to enable caching for ajax callbacks, escpacially for colorbox node?
I am using colorbox node module on my site, and it looks like the ajax callbacks for rendering the node are not cached at all. Tested it with a simple snippet in the node template:
...
1
vote
0answers
124 views
Browser cache issue
I have varnished and Apache setup.
My Drupal 6 websites doesn't have any issue.
But in all of my Drupal 7 setup I have following issue:
Issue: Whenever I visit pages of my websites anonymously, so ...
2
votes
1answer
131 views
Is there any gain using Memcached module when APC is running good on large Drupal 7 site (one server)
I am successfully using the APC Cache module on my prod website (single server). APC is performing good, caching is done very well. I wonder could I gain anything more by implementing Memcache.
I ...
0
votes
0answers
22 views
Cron Cache is not working with Cache Expire
I'm using the Cron Cache module to automoatically flush my database cache especially the Cache Form table that will become 1Go in few days if i did not .
And also i'm using the Boost module as a ...
0
votes
1answer
20 views
Caching a variable for a fixed amount of time
So I'm at odds with Twitter API which only allows 15 requests per 15 minutes (of course this encourages and promotes good behaviour by not allowing repeated request for the same data).
My task is ...
1
vote
2answers
54 views
Circumventing Drupal's Cache for New Content
We like to post updates to Facebook and Twitter when publishing new content. We are running into a problem, however, in that anonymous users will get the "Access Denied" page until the cache recycles ...
0
votes
1answer
31 views
How to serve content type for authorized users as for anonymous?
I have content type "book". It's nodes are huge and it's takes a long time to format them by input filter. Caching works only for anonymous users.
So my goal is to give authorized users the cached ...
1
vote
0answers
26 views
Rate module stops working and admin menu disappears on frontpage - fixed by flushing cache
At random times, the Rate widget in a view on my frontpage stops working, and the votes are no longer recorded. The users are also able to click the vote widget on their own content when this happens, ...
0
votes
1answer
28 views
How to update locale after editing a .po file?
I edited a .po file in profiles/l10n_install/translations/ but after this the pages of the site are not updated.
How to update the site after editing a .po file?
0
votes
0answers
39 views
Is it possible to update Drupal page cache right after it is cleared?
I am trying to improve Drupal performance and I have all the tuning usual suspects setup:
Varnish
Memcache
APC
Drupal core cache
From what I understand when you clear the Drupal cache it does not ...
1
vote
0answers
34 views
Drupal Cache send to a 404 page after a while
I have a multilingual website which use cache (views cache activated, performance on ...).
That website works well but, sometime, after a while, some homepages in others language are redirecting to ...
0
votes
2answers
155 views
Prevent Drupal 7 from auto-caching pages in all translations
After clearing the cache, Drupal generates cached versions of every node/page that gets visited. Which is fine.
However – if I visit the German version of a node/page, not only the german version ...
2
votes
1answer
63 views
Would be creating menus totally in views reasonable?
Above question is about two situations:
Standard, simple menu with 1-2 levels of depth,
Catalog on commerce site, with number of products, next to every item (taxonomy term) of menu.
I can ...



