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Tuned config for RedisCache, when replacing Memcached?

Posted by ano.nimmus on January 25, 2014 at 6:22pm

I've been running an Drupal7 setup with Varnish3 & Memcached.

I'm building a new instance for similar use, and have decided to replace Memcached with Redis/phpredis.

The redis server+extension install was painless -- the system is up & running.

What's missing for me is a good guide to tuning Redis for Drupal use. I'd tuned memcached using info from both own experience & forums.

I've not yet found any similarly focussed good guides, examples, etc for Drupal on Redis -- either for the server conf, or a redis.ini

Can anyone share, or point to, some good guidance?

Linode slowing lately..

Posted by wipeout_dude on January 26, 2014 at 8:23am

Anyone else noticed Linode slowing quite a lot in the last 4-5 weeks?

I have felt the site slowing lately but it's clearly illustrated on my google crwal stats in webmaster tools..

I have even had them move my server to another host but it made no difference..

Just wondering is anyone else has noticed it..

metatag_entity_load is slow when node has thousands of revisions

Posted by mikeytown2 on January 28, 2014 at 3:41am

Just a heads up that the newer version of metatag has a bottleneck with lots of node revisions. https://drupal.org/node/2183203

In our case we had a node load take over 8 seconds because the node has over 100k revisions. Raw output from my debug code

hook_entity_load metatag in 8.2447 seconds hook_entity_load rdf in 0 seconds hook_TYPE_load webform in 0.0443 seconds hook_TYPE_load bf_field_mapper in 0.0401 seconds hook_TYPE_load comment in 0.0165 seconds hook_TYPE_load print in 0.0159 seconds hook_TYPE_load scheduler in 0.0159 seconds

Server overwhelmed by Menu

Posted by Anonymous on January 30, 2014 at 2:00am

Had a strange problem today that took my entire CentOS LAMP server offline. "top" command showed httpd using almost 100% of my CPU & a massive memory consumption within moments of starting up. "free -m" command would show the httpd process spiral up to consume all the RAM in less than one minute.

High performance mail sending out of Drupal site

Posted by playfulwolf on February 5, 2014 at 1:24pm

Hi there,

Building classified ads project which will use some heavy emailing: reminders, subscriptions, order confirmations and so on. Expect to be tens or hundreds thousand of emails per day. It may seem not huge quantity and standard Drupal email sending just works, but server and Drupal itself has more important tasks to do as sending batches of emails.
Which alternate and faster email sending modules would you recommend? Reliability and "set and forget" modules are also a priority.

Thank you!

How to optimize a Drupal 6.x site with 100,000+ nodes and 100+ content types

Posted by eeyorr on February 10, 2014 at 1:54am

I currently work on a Drupal 6.x site that has over 100,000 nodes and over 100 content types. Some content types have 45 or 50 fields. The developers who built the site originally wrote a custom module to display taxonomy pages for each content type. It's a directory listing site and the owner frequently adds new content types for different kinds of businesses, so the list keeps growing. Eventually, the developers started creating a new module for each new content type when the original module started getting big.

Best Practice use of Nagios and Munin

Posted by vegantriathlete on February 10, 2014 at 4:04pm

I've got Nagios and Munin up and running for my infrastructure. Now I've got to figure out how to best utilize those tools so that I'm not wasting system resources in the process of monitoring the system!

I searched on "nagios" and "munin" to see if there were any posts that already addressed this question. I didn't find any that answered my specific questions. But, for the sake of starting out by adding some value with this post, here is the list of things that are at least relevant:
http://www.guidelightsolutions.com/blog/enhancing-nagios-monitor-drupal-...

Most users logged - Slow load time

Posted by cbccharlie on February 13, 2014 at 10:00pm

Hello,

I have a Drupal with the majority of users logged

Approximately 25,000 pageviews per day.
Two front and two backend servers.
APC and Memcached installed.
Authcache for authenticated users.
Some 5,000 nodes and 20,000 reviews, about 20 types of content.
Approximately 100 modules.

The loading time of the web for a single user is about 3-5 seconds, but for 100 concurrent users are more than one minute.

What could be done?

Thank you very much.

Optimizing admin UI for speed

Posted by Marko B on February 19, 2014 at 9:11am

I wrote a post here about this also but want to get some tips from this group if possible. https://drupal.org/node/2200175

What I want to know is how do you optimize drupal admin UI, or to be more exact how to make views admin UI react quicker or instantly.

I am looking for
-hacks(exclude something just for dev enviroment)
-raw power suggestions (use SSD (I do locally) use more ram, put DB in RAM somehow, use other type of DB)
-modules (memcache or some other, I use memcache for now)
-server setups (switch to prefork/worker apache, move to some other server nginx)

Memcached distributed problem

Posted by cbccharlie on February 19, 2014 at 4:07pm

Hi,

I have a drupal installation with two frontend servers, which have a memcached server in each. If I'm surfing the frontend 1 and the frontend 2 memcached goes down, the page stops loading correctly. Has anyone ever had this problem?