Tagged Questions

Memcache is a system used to store data in the RAM of the server to reduce database lookups on commonly used variables.

learn more… | top users | synonyms

0
votes
0answers
47 views

Drupal memcache problem - perhaps misconfigured?

I'm trying to configure memcache w/ my pressflow. I followed instruction from Memcache API and Integration | drupal.org site yet whenever I'm trying to access /memcache.php to see stats, I always see ...
1
vote
0answers
84 views

How can I increase my hit ratio in Memcache?

Memcache has been up and operational on my production site http://goniseko.com for a few months now. After getting everything configured and memory limits where they should be, I noticed that I have ...
2
votes
1answer
157 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
1answer
115 views

hook_node_insert() sporadically not being fired after node_save()

I have a situation where, every once in a while, I'll save a new node, and hook_node_insert() appears not to be called--AT ALL, for any of the modules that implement it. For example, if I look through ...
0
votes
0answers
46 views

Tables cached with APC and Memcached [closed]

I have a site running with Memcache and APC and I'd like to know what is the best choice to set the tables that will cache each one. Thanks
0
votes
1answer
69 views

Configuring memcached

I have installed memcached, but I'm stuck now with how to implement it in conjunction with Drupal. I've already installed and enabled the Drupal memcache module, but nobody seems to be able to offer ...
2
votes
0answers
84 views

Random lost _page_build implementation in cache

We have an interesting trouble on http://adsoftheworld.com The hook_page_build implementations sometimes looses some value from cache. Look at this image: http://www.diigo.com/item/image/2peqe/drbq ...
3
votes
2answers
75 views

What is Drupal caching based on?

What does Drupal use for caching? Is this something like APC or memcache? Where does it store cache files?
0
votes
0answers
164 views

Memcache Connection refused

Hi I am working on drupal 6 site. I have configured memcache on linux server, but sometimes I am getting the following error: Exception caught in dmemcache_object: Memcache::connect() ...
3
votes
2answers
456 views

Optimal Settings.php for Pressflow + Varnish + memcache

I am using pressflow having varnish + boost + memcache and also using cloudflare caching, I have seen some variable forms of settings.php file on forums and I am confused whether mine is optimal for ...
0
votes
1answer
136 views

installed memcache, no noticeable improvements

I just installed varnish and memcache on my server. Varnish works great but I don't really know how memcache should perform. I can't see any improvements for authenticated users. I turned on memcache ...
2
votes
1answer
125 views

How do I NOT clear memcache or other cache tables?

All of us who love Drupal know the pain of building those cache tables for the first time. I have a site whose activity is high during a certain part of the day and then non existant at others. I ...
1
vote
0answers
165 views

Performance gain of clustering memcached?

I am wondering whether there is any considerable performance gain to cluster memcached alocated memory. I just took the easy route of a single cluster and have dedicated a bulk 5GB to memcached since ...
0
votes
0answers
86 views

Memcache conflit with mongodb?

I tried to install memcache module and mongodb in Drupal 6. When I enable memcache, the mongodb will not work.
0
votes
3answers
130 views

Offload cached pages to different Apache process

On our Drupal 6 and Drupal 7 sites each idle Apache process averages 60-100MB each. When the page gets loaded from cache only about 10MB is really needed, but sometimes a page is not cached yet so ...
0
votes
2answers
182 views

Run cron on a different web server?

Is it possible to stop the cron on the main web server and run it on another web server that is using the same codebase, same MySQL server and same Memcache sever? The cron web server will run import ...
7
votes
2answers
3k views

Using Drupal 7 with APC, Varnish and Memcache, what bins to put in which cache?

I'm optimizing a Drupal 7 website and I have varnish, memcache and APC all installed and working with their individual Drupal 7 modules. In my settings.php I have the $conf options below. My question ...
0
votes
1answer
2k views

Drupal -> User error: Failed to connect to memcache server

I had someone install memcache for one Drupal project. Apparently we moved to another hosting. Upon completing the migration, the site is having issues with memcache. Can someone guide me on how to ...
6
votes
1answer
3k views

Using Memcache Effectively with Drupal 7 Multisite

I am setting a hit ratio of 55% on our memcache instance (v1.4.4) and am wondering what can be done to improve the hit ratio. We're in a multisite setup (30+ sites), with two load balanced web ...
2
votes
1answer
236 views

How to optimize the unserialization of “variables” cache value

As we all know, the whole variable table is being cached in the drupal cache system and is being extracted into global $conf variable in each invoke. In one of our production site with the domain ...
1
vote
2answers
275 views

Are there any issues with installing memcache on a VPS running multiple Drupal sites?

I have a VPS running a few independent Drupal sites (not multi-site). What considerations do I need to make (if any) when installing memcache?
1
vote
1answer
413 views

What tables to cache with Memcache on multi-site server?

I can spare 64-96Mb of memory on my VPS running a dozen Drupal 6 and 7 sites. In this situation, which are the best cache_* tables to cache with Memcache, and why? I realise cache_update and ...
5
votes
2answers
785 views

Is memcache only for logged in users?

I am trying to understand what the role of Memcache is. A few of my friends who have been working with Drupal for more than a year tell me that Memcache would only work for logged in users, and I ...
3
votes
2answers
623 views

variable_get() using “default value” with no reason in Pressflow 6

I'm currently having a problem with variable_get() that sometimes with no reason, returns the default value instead of the one from the database. I'm using memcached here (and the Drupal memcached ...
1
vote
1answer
104 views

Add custom node content to cache

I have added a few custom nodes to my website via the admin CMS. I wanted to know if I would have to explicitly add them to cache or if the nose_save or one of the internal drupal methods would add it ...
0
votes
0answers
232 views

Why are cached pages still being served to anonymous users?

I have just made a change to a live site; I have cleared the theme registry and cleared the caches, as well as disabling caching for anonymous users. I go to the homepage and the changes / links ...
2
votes
1answer
524 views

Where is the best place for cache bins (Drupal 7)?

At Drupal 7, I have read about various solutions for storing the cache bins and avoiding having them at the standard drupal database. The methods are: - Memcache - Mongodb - APC - Filecache module? ...
3
votes
2answers
305 views

drupal shows empty content because of memcache

I have a Drupal (pressflow 6.22) website and I am using memcache as a caching level for my website/server. Sometimes some node (articles) that has been published on my website shows empty content when ...
2
votes
1answer
233 views

Sometimes CCK custom fields get lost although they appear normally in the database

I have pressflow 6.22. When the editors try to create new node, they lose what they have inserted in CCK custom fields. I have checked node_load and the result is missing those values as well. I ...