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

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23 views

Required PHP extension not found. Install the memcache (recommended) or memcache extension [on hold]

During the installation of Drupal its showing like this error i had already installed memcache in my system i can able to start and stop the service in command prompt but when iam trying installation ...
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1answer
49 views

Site Down for few minutes after clearing cache

My site is going down every time whenever I am clearing the cache. Site will works again in 5-10 minutes after refreshing web page 2-3 times. Also I am getting 500 internal server error after clearing ...
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1answer
23 views

Memcache module is working but with a strange error

I have Memcache enabled both on Drupal and the server... It seems to be configured fine on the server-end (both by port & Settings.php). If am being accurate, PSI grades even went up in about 4-5 ...
4
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1answer
32 views

Did I set up memache correctly?

I have applied memcache by via instructions from this page to our production server. The difference in numbers don't look stellar. My question: Did I configure memcache improperly? Can I increase ...
2
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1answer
42 views

Could someone explain the 'hit' and 'miss' status in memcache per page output?

I've instructed memcache to append stats to each page. Someone did an excellent job explaining the memcache reporting page. However, I've since stumbled upon this appended information shown below and ...
3
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1answer
57 views

What is the memcache report screen telling me?

I'm experimenting with memcache and installed it via these instructions on a dev box. I think I have it working. The config file is mostly left at default: # cat /etc/sysconfig/memcached ...
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0answers
25 views

Memcache doesn't working properly with Drupal

I got some error with memcahed with my Drupal site : for example I have a view page like this " localhost/test then each time I enable memcahe and I got same content with localhost/test?page=1 and ...
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0answers
32 views

memcache in XAMPP windows system problem with Drush

Why I'm getting below error while using any drush command? Using windows system with XAMPP & Drush. Had below entries in my php.ini file & installed memcahe Drupal module: ...
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0answers
8 views

Redirections and some content cannot be viewed

I´m new here. My site is built in Drupal 6.20. It is sending a 403 page for section content that has been published for a while. It seems that some redirections have disappeared as well although I can ...
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1answer
54 views

2 servers with 2 local memcached: flush both

I have servers and 1 memcached server linked by the network. When I add 2 memcached on the 2 servers, locally, it's drastically faste ! So I've configured Drupal to use memcached on 127.0.0.1, except ...
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1answer
391 views

Drupal web cluster with memcached. memcached failover?

Running Drupal 7 sites (under Aegir) and I'm investigating a method to scale out the web boxes horizontally, so that any Apache server can process a request for any Drupal site. We're currently at ~50 ...
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45 views

Caching home page content instead of actual content

I am facing a problem related to cache. Some of the pages showing home page content instead of actual content. And after clearing the Drupal inbuilt cache ...
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2answers
1k views

Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 32598429 bytes)

I'm new to drupal. I was uploading multiple files to a page and then tried to increase size of the page. However when doing so, I got this error. Fatal error: Allowed memory size of 134217728 bytes ...
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1answer
110 views

Drupal memcache is not updating cache values sometimes [duplicate]

I am fighting with this issue since last week.I need to cache some set of values in which each value belonging to specific id on every cron run.I am setting the expire time to "CACHE_PERMANANT" and ...
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0answers
4k views

Difference between APC & Memcached and how both can be used for cache bins

I'm trying to understand the difference between Memcached and APC and why people talk about using one or the other or both. I can't understand why you wouldn't use both because I thought they had ...
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1answer
44 views

Cache Backport not loading correctly. Unable to change cache.inc location?

Drupal 6, trying to get the Cache Backport module working. Every time I load a page, this error fires: Call to undefined function _cache_get_object() in ...
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1answer
499 views

Memcache not being cleared on cache flush [closed]

When clearing the cache, either through /admin_menu/flush-cache or drush cc all, the cache isn't cleared, without errors. I've tried doing it directly through telnet, on memcache, getting "OK" as ...
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0answers
87 views

Site not loading with memcached

I'm trying to install memcached and having no luck getting the site to run in local development using OS X 10.9 Mavericks. The homepage loads, but that's it. Everywhere else, I get this error: ...
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2answers
512 views

Drupal 6 memcache configuration

I'm trying to use: Memcache API and Integration | Drupal.org w/ my Drupal6 and unable to determinate what am I doing wrong as when I hit memcache.php (MEMCACHE INFO) my Cache Usage shows me 100% of ...
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2answers
353 views

Cache warming for logged in user roles

I have 2 pages that are highly customized per user, and I happen to know exactly when certain users are going to log in (this site is used by students during classtime). I have APC and memcache ...
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0answers
204 views

Similar Module for Drupal Like W3 Total Cache

All of my WordPress sites are running W3TC and it is working fine (very fast). I am using memcache module, but it is not as fast as W3TC. In W3TC, you can choose what cache you'd like to use for Page ...
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1answer
880 views

Why is “drush cc all” failing with “undefined function user_load()”

After updating my Drupal test server to have a fresh copy of the database and code from the production system, "drush cc all" would fail with a message saying PHP Fatal error: Call to undefined ...
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0answers
965 views

optimize ajax request with varnish

I use memchache + apc + varnish for drupal 7 optimization, my performance is good but in ajax link site don't have good speed, what I must to do for ajax? and what is useless in my configs? my config ...
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0answers
43 views

Drupal Keeps Resetting it's Settings

I'm using Drupal, and I'm having this weird issue with it. Multiple times in a day certain settings reset themselves temporarily. When I clear the cache, the issue is fixed for a while, but then I'll ...
3
votes
1answer
414 views

Advices for tunning my server for better performance and scalability

I am working on a web application which will primarily be used by authenticated users. The web application imports records from CSV files using the Feeds module, MongoDB was chosen to store this data ...
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1answer
334 views

Fivestar being cached for anonymous users!

On enabling caching for anonymous users, it appears that the fivestar votes are also being cached, which is super-weird. On disabling caching for anonymous users, things work great. We use ...
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2answers
2k views

After disabling and uninstalling memcached module, I get this PDOException and WSOD?

I´ve cloned my production site in a local Xampp installation. My site has Memcached installed (in the server and I´ve got the drupal memcache module installed). But I´ve got this error at my local ...
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2answers
581 views

Elysia cron stuck in (w) state (wating to be executed)

I have a few crons set up to run every 15 min. My system cron is set to execute every 5 mins. However one cron keeps getting stuck in the (w) state. I updated its setting to run every minute (* * * *) ...
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1answer
42 views

Panels on the front page get invalid $user variable

I have a Drupal 7 wite where the front page is a Panel. In one of its tiles I have a custom PHP code that prints out the value of `$user->name'. Now the problem is that it usually prints out a ...
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0answers
681 views

Varnish working on sub-domain but not on main domain?

I am using Pressflow 6 and enabled varnish caching with following settings in settings.php : ini_set('arg_separator.output', '&'); ini_set('magic_quotes_runtime', 0); ...
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2answers
4k views

Configuring Drupal 7 settings.php with both Memcache and Varnish

I am noob to using both Varnish and Memcached. I have been following some copy and paste install guides. I have both servers installed and running. Memcached seems to be working fine. Varnish is ...
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0answers
91 views

Optimizing page_manager_node_view

according to newrelic's dashboard /page_manager_node_view is: most time consuming (97.1%) slowest average response time (2050ms) apdex most dissatisfying (95.6%) highest throughput (14.4rpm) I ...
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0answers
401 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 ...
2
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0answers
926 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
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1answer
2k 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 ...
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1answer
407 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 ...
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1answer
194 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
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0answers
154 views

Random lost _page_build implementation in cache

We have an interesting trouble on couple of our sites. The hook_page_build implementations sometimes looses some value from cache. Using this cose, I get the following result: block, ...
3
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2answers
126 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?
3
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2answers
2k 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
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1answer
276 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
372 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 ...
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0answers
248 views

Performance gain of clustering memcached? [closed]

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 ...
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0answers
119 views

Memcache conflict with mongodb?

I tried to install memcache module and mongodb in Drupal 6. When I enable memcache, the mongodb will not work.
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3answers
204 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
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2answers
368 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 ...
10
votes
2answers
6k 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 ...
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1answer
4k 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 ...
9
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1answer
6k 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
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1answer
636 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 ...