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cron fails due to memcache
crontab is failing to run with this error
Fatal error: Call to a member function increment() on a non-object in
...../sites/all/modules/memcache/memcache.inc on
line 262
any ideas for me please ?
Regards Allan
Read moreHow to remove duplicate query calls?
I have a big site and recently converted to Drupal.
My forums (using drupal advanced forum) are very slow and my users are unhappy.
Installed the devel module I can see that I have a tremendous amount of duplicate queries, but how can I eliminate them?
Some queries are called over 60 times!
Devel reports:
Executed 1347 queries in 5666.48 milliseconds
Page execution time was 7213.35 ms.
Does htaccess RewriteCond affect performance?
Hi, Performance issues aren't really my forte:
background info:
My test site is geared to anonymous only, and thus have Boost. Each node has a cck field so that users can type in a word eg. "DOG". I've hotlinked an image url to automatically include that cck word - eg. http://mysite/images/DOG.jpg. This allows me the choice to easily upload a picture or not. Obviously a 'broken image' icon appears if no pic is uploaded.
To resolve the 'broken link' ugliness I've come across something like:
RewriteCond %{REQUEST_FILENAME} !-f
Read moreCache Router: Edge condition 404s valid pages?
My company recently launched a channel on msn.com -- yes, MSN has gone (partly) Drupal (a little bit)!
This is a LAMP, PF 6.19 app with Cache Router (6.x-1.0-rc1) and multiple memcached bins, sitting behind Akamai. The home page is constructed in Panels (6.x-3.7).
We've had troubling recurrences of 404 home page responses. The symptoms look like this:
- We get monitoring alarms that the home page is serving up 404 responses.
- Apache httpd logs indicate 404s.
- Watchdog indicates nothing.
- Loading from our origin server looks good.
Pressflow+APC+Varnish: External Cache or Drupal Default Dilemma
Hey Folks;
I've been doing a lot of performance tweaking with some of the sites I run (specifically http://latam.kaspersky.com). We have been running Varnish for some time and I recently managed to convince the powers-that-be that APC is perfectly safe and we're nuts for not running it.
Read morePage cache and fragment caching
Hi,
I'm looking for a good explanation on how to do fragment caching in Drupal. From what I understand, the "page cache" caches ALL the page, including the blocks, and not simply the "$content" variable found in page.tpl.php. Is there any documentation anywhere explaining :
- The different caches
- When they expire
- Which part of the page exactly they cover
I come from the eZ Publish world where you can basically define rules for pretty much any part of any page regarding caching and expires of caches.
Read more
Easy authcache
Easy Authcache is module that makes authcache implementation easy,faster and makes it comportable with drupal community modules.
Advantages of module differs it from Authcache:
- It makes unnessary for developer to write client side callbacks for authcache module (js functions).
- Makes server side callback as hook (drupal style).
- Includes all modules.
- Handle js files and settings, needed for retrived with ajax html, on final page.
- Handle url context dependent code.
- Provide api to handle theme functions, you need, with authcache.
HandlerSocket plugin for MySQL - Replacement for memcache?
interesting benchmarks
approx qps server CPU util
MySQL via SQL 105,000 %us 60% %sy 28%
memcached 420,000 %us 8% %sy 88%
MySQL via HandlerSocket 750,000 %us 45% %sy 53%http://yoshinorimatsunobu.blogspot.com/2010/10/using-mysql-as-nosql-stor...
Verification of benchmarks
http://www.mysqlperformanceblog.com/2010/11/02/handlersocket-on-ssd/
Percona Server now both SQL and NOSQL
http://www.mysqlperformanceblog.com/2010/12/14/percona-server-now-both-s...
Private file transfer is killing me
Like the title says - looking for performance expert to come up with a solution
http://drupal.org/node/1001930
regards Allan
Read moreDiagnosis: Forms problem
I wonder if someone could point me in the right direction on this: I've just migrated a major UK site (600,000 users, 30,000 pages, typically 200 anonymous users accessing the site at any one time) to Drupal: http://www.ivillage.co.uk (not the US version of the site) and be prepared for possible embarrassment, this is a women's magazine website :-)
Read more