This tag is for questions about Drupal's performance, how to measure, and improve it.
0
votes
0answers
16 views
Slow loading in edit mode - only on some pages Drupal 7.22
On editing some pages, there's a 20 second wait, and on others it's only 1-2 seconds. Both are the same content types.
0
votes
2answers
23 views
Performance issues with Migrate Cron update
I am running Migrate updates with cron every couple of minutes. I don't have many nodes (less than 100) but certain of them are data-heavy. Because of the wonky way my XML is written, I am forced to ...
-3
votes
0answers
32 views
Drupal 7.22 Performance Standard System [on hold]
I'm looking for one or more studies about performance of the BASIC drupal 7.22 installation.
Time to load a page, time to login, request per second(RPS), etc.
Has someone already done this kind of ...
0
votes
0answers
19 views
Views list with exposed form - loading time problem
Hello good people of drupal community.
I'm working on a site, where users will be able to publish nodes through a form, with all the necessary fields. The nodes created by users are then display by ...
0
votes
0answers
30 views
Extreme slow Views rendering time
On my Drupal 7 site I have some heavy performance problems. I found out (with XHProf) that the cause of that problem are some Views. The strange thing is: not the query build time nor the query ...
1
vote
2answers
38 views
db_query performance
This is a more general question about db_query() performance.
I have this function to create an API resource with Services module, and I need to get about 10 fields belonging to several nodes.
...
1
vote
2answers
52 views
How To Deal With Datebase Size?
I'm using domain access sharing the same database for 6 different sub domain websites
My concern my database limit is 1000MB
Is there a way to create new database set to a limit for example every ...
9
votes
1answer
244 views
Drupal calling “is_dir” over 4000 times?
After having troubles on loading time of a very important Site I installed XHPROF and looked over the statistics to see where I can improve my code.
I found something interesting that i don´t ...
0
votes
0answers
17 views
Slow read/write on Ubuntu localhost - how can I improve Drupal Speed? [duplicate]
I'm running Drupal v7.22 on localhost on an Ubuntu 12.10 machine, the speed of 'Save' change read/writes takes about 30 seconds near enough every 3 minutes on any browser (Firefox/Chrome) and I've had ...
-1
votes
0answers
46 views
Configure CentOS for Drupal 7 on VPS [closed]
Due to requirements, I'm having to upgrade to VPS hosting. However, in the past I've always used shared hosting and I have little experience with Linux. When I make the move, I'll be presented with ...
2
votes
0answers
18 views
D7 Dynamically loading terms in a term reference tree from a huge taxonomy so users may select nodes as options
I'm trying to create a form that uses a bushy taxonomy of about 30,000 (max depth is ~9) terms to allow users to select multiple nodes from the tree. The Taxonomy Term Reference Tree Widget fits the ...
4
votes
1answer
55 views
Does views load all nodes in a result or just the ones in each page of results?
I am trying to determine if I am going to see a performance impact. I have a view that can possibly return thousands of results but only displays 50 per page. Each node in the result determines it's ...
0
votes
0answers
18 views
Drupal 7 multisite _very_ slow, but primary site runs quickly
I have a virtual machine running Debian that I have several drupal websites on. One of these sites is taking about 2 min to show a page. Why so slow???
Some info:
This site is a drupal multi-site ...
4
votes
1answer
65 views
Will empty hook definitions slow down a site?
I'm working on porting over some drupal 6 custom modules that another developer wrote, and I'm coming across some hook calls that are, with the exception of comments, completely empty. I'm likely ...
0
votes
0answers
23 views
Solving performance issue DrupalDatabaseCache::clear
I am facing a performance issue when I open some of the pages. It is taking too long time. After checking the queries and the time for each query I found that these two functions are taking a long ...
1
vote
3answers
80 views
How can I view what causes a page to load slow?
i currently have the devel module on and i'm trying to figure out why my site is slow. I get the following info line:
Page execution time was 4661.1 ms. Memory used at: devel_boot()=3.27 MB, ...
3
votes
3answers
108 views
Should I choose MyISAM for notification tables?
Using Drupal6 with a MariaDB 10 InnoDB engine for all tables, I have noticed that insert queries into notifications_* tables are very inefficient on InnoDB tables. For example, these frequently in my ...
2
votes
1answer
44 views
What module will show me all sql queries being run on the loaded page?
My site is running slow and I suspect its a module, but not sure which one. Is there a module that can display all the sql queries being run on a loaded page? If there isn't maybe there is a command ...
0
votes
1answer
53 views
Spam users on drupal7 site being created automatically [duplicate]
I need some urgent suggestion. In my live site a lot of spam users are being created every few minutes. I will install captcha and MOLLOM but I need to delete the spam users. How can I identify them ...
0
votes
1answer
50 views
Is there any side effect to use APC installed on shared hosts? [closed]
I'm using a shared host for a Drupal6 site.
And this shared host has an option to use "APC".
I just tried this option on a test site as it can be enabled just by one click on my account page of the ...
3
votes
4answers
163 views
Designing different content types with the same fields' name (shared fields)
For my website I need several content types (at least five), but all that have some fields' name in common as title, subtitle, body, teaser, image and so on.
Shall I use the same field (machine name) ...
2
votes
2answers
46 views
Is making a feature of literally everything available actually a smart thing to do?
I love features for all the benefits they have, especially for performance.
It now seems like a logical step forward to make a feature out of everything available on the "create feature" page on a ...
0
votes
1answer
71 views
Why does Apache show such drastic differences in memory usage when using mod_php?
I've taken steps to reduce as much as possible the memory footprint of my Apache mod_php processes by disabling Apache modules as well as Drupal modules.
When the server is under light load, I see ...
1
vote
1answer
87 views
Drupal 7 sites hogging my shared hosting account
Two months back I launced 3 new Drupal-7 based sites on my shared hosting account but soon I found that my account was touching maximum process limit of 25 in my account and that my D7 sites were ...
0
votes
0answers
51 views
Drupal + Varnish: cache revalidation
I have Drupal set up with Varnish cache. I have understood almost every part in the process of setting and using the cache. Yet, there is a subject I need some enlightenment on.
Let's say I access my ...
1
vote
0answers
62 views
IE7 IE8 layout broken if advanced aggregation is enabled
When I install & enable Advanced CSS/JS Aggregation, my site layout breaks in IE7 and IE8.
How could that happen? Is there CSS3 in the compiled/compressed CSS? What should I do?
7
votes
3answers
12k views
Nginx vs Apache - Are there any actual usage comparisons and statistcs out there?
I have a new server to play with, and I am staring at a blank canvas. I can put anything I want on it. While I am comfortable with Apache, I keep hearing how nginx can handle so much more traffic than ...
0
votes
1answer
47 views
When building Apache from scratch, what are the minimum modules needed for Drupal to run with clearn URLs?
I have a shiny, new, completely blank box of a LAMP server in front of me. I've heard tales of, even seen pictures of, Apache processes below 30 MB, but I have not seen in it in my Drupal lifetime.
...
2
votes
1answer
55 views
New Relic: “Application Code (in /theme)”
I have several Drupal sites with which I'm using New Relic to help monitor and debug performance issues.
I've been finding that when viewing the "Web Transactions" section under "Monitoring", that a ...
0
votes
0answers
29 views
Unexplained slowness; profiling shows reasonable times and so does ping/wget
I've finally had some time to have an in-depth look at the slowness of my Drupal 7 site. The results are surprising.
ping is a very stable 90ms (UK to California)
wget a PHP script that just prints ...
2
votes
1answer
47 views
Detailed breakdown of what takes Drupal so long?
I'm trying to figure out why my Drupal 7 take so long to render. I've installed the "performance log" module, but it was underwhelming, to say the least. It tells me a page took 2785 ms to render, ...
6
votes
2answers
277 views
Compression in Drupal 7
I am running Drupal (latest version 7.22 ) on Apache 2.2 and I have also installed Varnish (module and proxy). In Apache, I have disabled the mod_deflate module.
Reading around the web, it seems that ...
0
votes
0answers
24 views
Requirements for enabling compress and aggregation files in Drupal 7
Is there any requirement or module that I need to enable in Apache to properly use the option bandwidth optimization in performance? Do I need to enable the deflate module or I just need the headers ...
1
vote
0answers
53 views
Performance Implications when Views JOIN added twice?
I have a view with a flag (relationship, only show flagged nodes). I have modified it a few times and now I see in the query output that views has the join added twice:
INNER JOIN {flag_content} ...
0
votes
1answer
75 views
Does unset($form['field']); in hook_form_alter stop entity reference views select list queries from running?
I have a slow load time in a node form and I suspect the reason is that I am populating entity reference select lists using views & therefore a number of queries are being run to populate those ...
0
votes
2answers
180 views
How can I speed up drupal's node_save() function?
I am having a lot of trouble with the inefficiency of node_save(). But is node save my problem? That's ultimately what I am trying to find out.
I created a loop with 100,000 iterations. I created ...
0
votes
0answers
51 views
Are static html pages required to build a Drupal
Are static html pages required to build a Drupal based social networking site or should i go about creating content (views or modules etc) and assigning regions to them. I have already created a theme ...
0
votes
1answer
166 views
Panels vs theming
Panels versus themes: What is the best way?
Since Panels is included in Drupal 8 core, isn't it the way forward? Do we still need to design static HTML pages and then integrate them with Drupal, or ...
1
vote
1answer
131 views
Memcache Slowing Down Drupal
Running seige (load tester) without memcache enabled I see stats similar to this:
Transactions: 560 hits
Availability: 100.00 %
Elapsed time: 59.42 ...
1
vote
0answers
125 views
How can I increase my hit ratio in Memcache?
Memcache has been up and operational on my production site http://goniseko.com for a few months now. After getting everything configured and memory limits where they should be, I noticed that I have ...
0
votes
1answer
40 views
What are best practices for Drupal 7 my.conf settings?
I posted the following wiki to GDO to try to consolidate best practices for Drupal implementations:
http://groups.drupal.org/node/289613
There's just so much written out there, but the documentation ...
5
votes
1answer
79 views
Will the site load slower when using a sub-theme of a sub-theme?
In Drupal, you have a base-theme, and maybe a sub-theme. That sub-theme can also have another sub-theme.
Will Drupal be slower when using 3 themes, where each of them is a sub-theme of the previous ...
1
vote
1answer
35 views
Tons of file_usage queries
I'm attempting to debug a site with intermittent slowness, and I've managed to track it down to a long series of file_usage queries which appear to be coming from a search_index rebuild.
SELECT ...
1
vote
2answers
131 views
drupal 7 on virtual server with debian linux - inconsistent response time
I have drupal 7 test installation on shared hosting. Caching turned off (I do not want to use caching), cron disabled. According to devel, query execution times on page with 228 queries are ...
1
vote
0answers
48 views
How can I create a Views type page without using Views?
I have a very intensive project that ultimately (and theoretically) was designed to house 33,600 Views pages. It's a census data project, and one page represents one city in the United States.
The ...
2
votes
1answer
54 views
Is there any danger in caching forms, such as node edit, add, etc?
I am playing with authenticated caching modules to speed up performance while logged in. Currently I am using authcache. However, authcache and other caching modules often have node add, node edit, ...
1
vote
0answers
50 views
Tuning with New Relic
So I've finally delved into tuning up my aging Drupal 6 site using NewRelic and like most I'm amazed at what their product has to offer. Very useful for honing in on problem areas. However, being new ...
3
votes
1answer
171 views
Boost plus Cloudflare
Can we use Boost together Cloudflare?
I am curious whether using both can be enabled on the site, and whether doing so will actually improve performance.
0
votes
0answers
75 views
Last-modified Header always displays current time even with cache enabled
This is what my Headers look like
Date: Wed, 13 Mar 2013 14:18:17 GMT
Server: Apache/2.2.12 (Linux/SUSE)
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Wed, 13 Mar 2013 ...
0
votes
0answers
404 views
What causes Drupal to run slowly in a Vagrant VM when connecting to an external database? [closed]
Our development team uses Vagrant VMs for development so that each person can have their own working directory for code changes while sharing a database on one of our dev servers to keep ...
