High Performance

This group is dedicated to solutions and approaches for high traffic, high performing Drupal sites. As such, it will deal with a lot of information around the rest of a typical Drupal "stack" -- the operating system, web server, database, and PHP tweaks that combine to support the Drupal application.

This is not a support channel or a place to post bug reports.

If you think you have found a bug, use the issue queue for the appropriate project.

If you need support, see http://drupal.org/support for options.

PHP memcached session redundancy

Posted by alexus on February 2, 2015 at 5:07pm

I'm trying to use Memcache API and Integration | Drupal.org along with How To Share PHP Sessions on Multiple Memcached Servers on Ubuntu 14.04.

OS & Packages:

# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 6.6 (Santiago)
# rpm -q httpd php php-pecl-memcache
httpd-2.2.15-39.el6.x86_64
php-5.3.3-40.el6_6.x86_64
php-pecl-memcache-3.0.5-4.el6.x86_64
# 

High Performance Drupal for News portal

Posted by jaydul on January 30, 2015 at 11:25pm

We are using a custom CMS for our newspaper.We ware thinking to move drupal.here will be 1 million article.Its post all news 1 day then its create a day folder and then index then all are html file here.We cannot update 2 ore more a days that the problem.

I want move drupal.but I need to know its possible all article cache and when user visit article here will be no query on database.I want put as all articles as static.

Drupal 8: Load Balancing with HAProxy

Posted by AkshayKalose on January 13, 2015 at 3:58am

Hi, I am a Google Code-In 2014 Student. I wrote a great blog post and recorded a screen-cast of setting up load balancing with 4 servers. I wanted to share it with the community. :D

Here is the link: http://www.kalose.net/oss/drupal-8-load-balancing-haproxy/

Any feedback is highly appreciated!

Master Master database replication - Key issues

Posted by beardedgeek on December 8, 2014 at 11:49am

Hi all.

We have a setup that requires master master replication for both HA and load balancing. We have an identical stack in two cities, seperated by a 1gbit WAN link. WebServer (WS) / Database (DB) / Search (Solr) servers in one city, and the same at the other.

Currently both WebServers are pointing to the same database in City 1. The reason being we cannot get a stable master master replication setup working.

How to move to create a Tmp table in memory?

Posted by darkdim on November 23, 2014 at 3:04pm

Hello everyone!
I have a site with High-Loaded slow database queries. There is probably a taxonomy
for example:

Drupal Database Development

Posted by rmjackson on October 23, 2014 at 1:55pm

The percona-query-digest tool is excellent at tracking down queries that kill performance. The queries can be re-written on modified schemas with better indexes and you're golden. Once that's done you need to institure some healthy happy ways to avoid the problem continuing to recur through a little education and some development routines.

Drupal 7 / Commerce / Rules performance issue

Posted by vegantriathlete on October 15, 2014 at 7:58pm

I've created a gist describing the specifics. The TL;DR is that the page loads about 4 - 5 times slower for authenticated than for anonymous. See the gist at:

https://gist.github.com/vegantriathlete/0fff6e3628bd5a3e583d

ENABLING OPEN SOURCE FOR THE ENTERPRISE

Posted by heavy_engineer on October 2, 2014 at 2:07pm

Start:

2014-10-14 14:00 - 18:30 Europe/London

Organizers:

heavy_engineer

Event type:

Related event (ie. not Drupal specific)

http://www2.appnovation.com/l/16832/2014-08-25/bwq4t

Join Appnovation for a free networking event October 14th at Google London. Enjoy complimentary appetizers & drinks as you hear from our special guests from Disney and General Dynamics UK, as well as our key OS Initiative partners Alfresco, Google, Acquia, and Mulesoft.

This event is part of the Appnovation OS Initiative to enable Enterprise customers to learn about and take advantage of Open Source technologies. The presentations will focus on how integrating Open Source technologies into your architecture can help your business succeed

DrupalCon Amsterdam 2014 - Performance sessions

Posted by fabianx on September 30, 2014 at 8:10pm
Last updated by fabianx on Tue, 2014-09-30 20:10

Hi High Performance,

I totally forgot to inform you that there are some pretty cool performance related sessions at DrupalCon Amsterdam:

Please join use tomorrow at 10:45 in Room Emerald for "Render Caching in Drupal 7 and 8"

We will show the state of render_cache 7.x-1.0, which is used to render cache comments on drupal.org

Then we will show how render caching works in Drupal 8 with #cache tags, etc.

Memcached and views - Poor performance

Posted by cbccharlie on September 17, 2014 at 8:22pm

Hi all,

I have a project with very large views. I use Apache 2.4, PHP 5.5 with opcache and memcached with PECL memcache. When I analyze the times with xhprof the Memcachepool :: Get method is giving very high times. What could be the reason? No Memcached is filling.

I do not know what else to look.

Thank you very much to all. Greetings.

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