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.

brad.curnow's picture

DOM hacks for speeding up page download times

ATTACHED: comparison of download waterfall before and after applying these hacks to my page.

Hi Team,

I wanted to share with you some techniques I've discovered over the last couple of days that seem to have a noticeable impact on download times. These are especially applicable to pages with large CSS files on first load, as once things get cached it doesn't make much difference.

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kim.pepper's picture

Drupalcon LA 2015 Session proposals

Just thought I'd post my session proposal here to see if anyone else is planning on submitting similar sessions at DrupalCon LA 2015.

https://events.drupal.org/losangeles2015/sessions/drupal-8-performance-i...

jaydul's picture

How to upload bulk Import XML feeds - Content from xml systems to articles/News note

How to bulk Import XML files -Content from xml systems category base to drupal

Hello I have custom CMS we are moving to Drupal.Our custom CMS has bulk post system via XML feed.
We post 1000 articles/News via xml per hour on our CMS.

We need to know how to import bulk xml as Categories (Taxonomy) base.

Here is our xml file below


<?xml version="1.0" encoding="utf-8" standalone="yes"?>

Sports
Title
Image Location

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mikeytown2's picture

Asynchronous Prefetch Database Query Cache module

Just a heads up that the beta 1 of the Asynchronous Prefetch Database Query Cache module https://www.drupal.org/project/apdqc is now available.

From my testing this will eliminate all deadlocks & metadata locks for all cache tables.

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Marcus_Johansson's picture

Tried Zephir + Drupal

Hi all,

So I've been trying Phalcon the last few days and also started making my own extensions today using Zephir. Zephir is basically a high-level programming language that makes compiled PHP extensions. So it's supposed to be like the best of two worlds - compiled performance and easy development.

Read more here: http://zephir-lang.com/

I started using it today and since I had nothing better to compare it with I started porting some of the functions found in Drupals common.inc, just for learning. And it is very easy to use.

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alexus's picture

PHP memcached session redundancy

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
#

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jaydul's picture

High Performance Drupal for News portal

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.

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AkshayKalose's picture

Drupal 8: Load Balancing with HAProxy

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!

beardedgeek's picture

Master Master database replication - Key issues

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.

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darkdim's picture

How to move to create a Tmp table in memory?

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

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