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Tutorials: Drupal caching, speed and performance

Posted by juan_g on October 27, 2008 at 4:35pm

To make it easier to find information on these matters, I've started the new handbook page Drupal caching, speed and performance in the Tutorials section of drupal.org. It's just a guide to information and tutorials on optimizing Drupal's performance, speed, and scalability, with an initial listing of fourteen resources. If anything is missing, you may edit it to add other useful Drupal performance resources.

Caching the page callback for authenticated users

Posted by moshe weitzman on October 28, 2008 at 4:53am

i was pondering how to speed up some complex pages for authenticated users and I had an idea. the gist is to almost exactly emulate block caching but applied to the return value of the hook_menu's 'page callback' rather than hook_block('view').

help - login users,hight performance,D6,everything is all right with drupal but performance

Posted by haojiang on October 29, 2008 at 7:01am

forgive my poor English, but i really want to have my problem fixed and join you though i am not a programer.

i use drupal6.6 to convert my origin website , which is a great flux one in my school about 5000IP/day .
i fixed a lot of problems through GOOGLE , tpl.php,form.api,CCK+VIEWS,etc

but i really come up a problem : too slow to do some update after login!

every day , my website will have 50 students and teachers have to update their information like news and so on . they tell me that the new test website(drupal) is great but the performance is too bad.

gZip css and javascript Drupal 5

Posted by gansbrest-gdo on October 29, 2008 at 10:05pm

Hi!

Is it possible to gzip CSS and JS files in Drupal5?

Thanks

Load Balanced Servers Questions

Posted by Carlos Miranda Levy on November 4, 2008 at 6:20am

I am setting up 2 load balanced servers under 1 ip to run my Drupal sites (multisite installation).
The sites will be using a separate dedicated server for the MySQL databases, on the same rack and 100Mbps network for faster access.
All 3 servers (2 app servers load balanced under one ip and the dedicated mysql server) are on the same physical rack.

Several questions come to mind, in particular...

APPROACH 1: rsync /home directories accross both servers.

Generic module to find/add indexes

Posted by owen barton on November 4, 2008 at 4:28pm
Last updated by owen barton on Tue, 2008-11-04 16:29

This is a wiki to plan a module to allow admins to add indexes to their site schema - this can be done easily in Drupal 6 and beyond using http://api.drupal.org/api/function/hook_schema_alter/6 - this discussion came from http://drupal.org/node/231453, where it was realized that CCK does not really have the usage context to be able to do this effectively, and also there are tables beyond CCK getting used in new ways by views and other modules that also need alternate indexes.

Split MySQL DB read/write for Drupal 5

Posted by Swampcritter on November 5, 2008 at 7:20pm

I am the back-end engineer/architect working on consolidating a number of production web sites using Drupal 5.11 with the Drupal Memcache API as a base along with the multi-site configuration.

Here's the architecture so far...
- 2-node load balancer front-end (2 Cisco ASA 5510s)
- 4-node web/app servers: RHEL 5 + GFS + Drupal Memcache API + Memcached (Quad Xeon, 8GB Ram each)
- 1-node MySQL 5.x database server with two other MySQL servers in hot stand-by mode (Quad Xeon, 16GB Ram each)
- EMC SAN Storage (1.5TB allocated)

opt-in performance benchmarking on d.o.

Posted by Anonymous on November 7, 2008 at 4:22am

hi all,

posted this on the dev list, adding it here in case some in this group don't watch the dev list.

i've been watching the inspiring work to integrate testing patches against HEAD at testing.drupal.org, and wondering if it would be useful/possible/desirable to have benchmarking integrated into d.o. as well?

like the testing stuff, but maybe opt-in?

i'd be willing to do some dev/sysadmin work, and i'd hope there would be enough dev resources, but we'd need some hardware dedicated to it.

thoughts? suggestions? flames?

cheers
justin

Database Performance Question

Posted by hinchcliffe on November 19, 2008 at 7:22pm

So I have a drupal 5.x site set up with 1600 nodes, 10 users, a custom theme, and lots of modules.

I just finished setting up a support part for the site where the client is going to be adding an invoice for all the products he sells. He has roughly 5000 buyers and each buyer buys around 2-5 products minimal from him a year.

So lets say I'll be adding roughly 25,000 extra nodes a year to the site for the support section.
In 5-10 years that could reach 250,000 nodes. Is this a lot? Would this slow down my main section on the website?

Explanation of site performance increase using the throttle module

Posted by Swampcritter on November 25, 2008 at 8:26pm

I support a D5 site that has been averaging around 18 secs load time for the front page (it has lots of external httpd calls, javascript, css files, etc). The architecture consists of a redundant front-end load balancer along with a pair of Squid caching servers, a RHEL5 GFS 4-node cluster, Memcached cluster (1GB per server, 4 servers total). D5 site is running the Memcache API as well.

LoadRunner Setup: 20 Minute Run-Time, 100 Virtual Users (Starts at 2, increases by 2 each 10 seconds)

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