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Ubercart & Performance
Hi,
I'm running Ubercart on a Mercury server and it appears that Ubercart requires session cookies even for anonymous users (see: https://wiki.fourkitchens.com/pages/viewpage.action?pageId=13828781).
The problem is, that sessions cookies prevent Varnish from caching those pages (see http://groups.drupal.org/node/66888) -- and on top of that, once the user hits an Ubercart page, all other non-Ubercart pages stop being served from Varnish cache as long as that session cookie is present and subsequently performance for those pages is going from ~ 200ms to ~ 1sec.
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pressflow update
hello, i see that drupal version 6.17 is out but pressflow does not have an updated version out yet. does anyone know when? thanks
Read moreAssessing Devel output (mySQL queries, memory usage)
As suggested in another thread I used the Devel module to get an overview of the mySQL queries. I used the frontpage since this is the most used and biggest page. I have some questions:
1) The Devel module displays a column "where" obviously including the function name which makes the mySQL query, but the function name links to the Drupal API which does not include custom module, i.e. I cannot see where to find the function. Is there a way to find the function to optimize?
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VirtualBox Mercury
I just finished building a Mercury VirtualBox appliance to serve as a development environment. Check it out - http://michaelhofmockel.com/toughts/virtualbox-mercury
The readme will help you setup networking and supply credentials.
Thanks ChapterThree for Mercury!
Thanks Greg for you instructions (no problems following them).
S3fs with FUSE & Drupal on Amazon EC2
Has anyone here configured an EC2 instance to work with fuse & s3fs. I'm using an Ubuntu Karmic 9.10 EC2 instance.
I tried mounting my sites/default/files directory through s3fs with allow other specified in fstab: seemed to be working well.
...until I cleared the Drupal caches. Then I got the horrifying, "The selected file /tmp/filebQm6Ek could not be uploaded, because the destination is not properly configured."
I've tried everything to make tmp writable by Drupal, but no chmod or chown has worked for me.
Read morePHP execution time is too high
Currently I am working on a site which have lots of modules enabled (around 120). This is intranet application where only login screen and contact form is only anonymous user can access.
OG groups is one of the main aspects on this site. Every user should be a member of one or more groups. And we have implemented some node access implementations . So the site become very dynamic and every user will see different data. So most of the cache module won't help me.
Our server configuration is AMD 2000+, 1.5 GB DDR RAM, 160GB Hard Drive.
Software stack - PHP 5.2.13 with APC, MySQL 5.x
Read moreDrupal Cache Roadmap for D8
I want to start this thread as a place for us to add information on the current implementation of the roadmap for the Drupal Caching subsystem for core.
During July 2009, the current cache.inc was rewritten and not a lot of future proofing was done to make cache as effective as possible for module developers as well as for core. Here are a list of the goals to allow for a good api for both core and contrib.
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Drupal Cache
I created a wiki for discussion about the future of Drupal Caching. Please read http://groups.drupal.org/node/75823 and let's discuss in here to figure out how to create a Cache API v2 that surpasses our current implementation.
Read moreReboot your Linode for extra memory
Just a note for Linode users who haven't seen the news. (I hadn't) Linode increased the memory on all their plans yesterday by 42%. So if you had Pantheon on a Linode 540, you're now on a Linode 768. You need to reboot to use the new memory.
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Drupal core architecture: why no node pre-query hook?
Hi everyone,
This seems so obvious, so I'm sure this must have been thought of before and discarded.
So I'm really asking why this idea been discarded.
Why isn't there a pre-query hook on the node module, where other modules can add their joins?
Take your regular node orientated site, and in particular a listing page with say 50 nodes on it.
Current architecture means (number of nodes loaded) * (1 node query) * (number of modules you're using) * (number of queries each module uses in nodeapi/load)
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