apc

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playfulwolf's picture

APC vs. Memcache - why I do get better results with APC?

Hi,

How is memcache different form APC if both are used as user-object caches, with the same Cacherouter module?
1) APC as opcode + APC as user storage
2) APC as opcode + memcached as user storage

What I see is that in real life I get better results (page refresh times, server load) with case 1) - memory allocation in both cases ~100MB
So is memcache useful at all if using just 1 server? I really doubt it is faster...

What is your experience?

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MichaelCole's picture

Quickstart 0.6 released

Now, with more seeding :-) Download here. Instructions here.

What's new:
- New Drush scripts for quickly configuring sites:
- - E.g. $ drush quickstart-create all --domain=example.dev
- - Configures DNS, apache, database, downloads code with drush make, and opens firefox to start installer.
- - To delete: $ drush quickstart-destroy all --domain=example.dev
- Fixed 9 bugs.
- Lots of tweaks and polish.
- Better documentation
- 600kbps upload pipe now to help with seeds. Prepped several seeders. (A generous offer to HTTP seed in the works)

(Sorry about the list format, drupal.org ate my ul's)

This is the best version yet. I'm starting a project next week on it, so hopefully, it will get better. If you have any experiences you want to share, or suggestions, drop me a not in the issue queue.

Happy Drupaling :-)

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playfulwolf's picture

Proper way to make Cacherouter-APC, Boost work with Aegir (multisite in general) ?

Hi,

Playing with Aegir - it is a great tool, but want to make it on steroids: use boost Boost and Cacherouter+APC as an user object cache for all sites. I will not touch Varnish for now.
What is the proper way to make config that works? Problem is, that I am changing "platforms" on Aegir rapidly and moving "sites" between them often, but haven't found the way to configure them globally.

Thank you for your thoughts.

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zfactor's picture

Best Practices for Scaling Drupal GRACEFULLY

Hi Folks,

It was great seeing everyone last night. I hope you all had a good time.

I wanted to pick your brains about a topic I know we all love - scaling Drupal!

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adrifl's picture

Best Practice: Multi-Webservers (Pressflow), Varnish, memcached, APC, CDN

Hi,

We begun our deployment of a large community website from a single machine that combined DB and web server two years ago. We experienced continuous growth and our system evolved significantly, different performance tunings led to the following setup (so far):

Machine A - httpd
Machine B - httpd
Machine C - httpd + Varnishd (incoming traffic, round robin load balancing between httpd on A, B and C)
Machine D - several memcached instances
Machine E - several memcached instances
Machine F - mysqld + NFS
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MichaelCole's picture

Quickstart 0.5 beta released

Hello,

I just created a torrent for Quickstart 0.5. New in this version:

- New features:
- New Drupal: Aegir!
- See ~/quickstart/aegir-install-0.4a7.sh.
- Not installed by default, pending beta release...
- New tools: git bazarr
- New IDE: eclipse (thanks DrUbuntu for inspiration and ppa)
- New PHP: imap, uploadprogress
- New Apache: ssl and solr on by default
- General cleanup
- Downgrade php5.3 to 5.2 for Aegir and Drupal messages

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MarkLaymon's picture

PECL uploadprogress library vs. APC

Before I add one of the following, is there a preference to which one is preferred at this time when using OP 1.7.1?

PECL uploadprogress library vs. APC

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joshk's picture

APC reduces Apache Thread Size: unlocking the power of top to grok

At Do It With Drupal last December in New Orleans, I was very rude to the inestimable Matt Westgate by making a contradictory comment in his "Drupal under Pressure" high-performance session about how APC decreases rather than increases total memory utilization in Apache with mod_php and then having my phone ring with an emergency client call and having to walk out of the room without explaining what I meant. Poor form to say the least.

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altundal's picture

Boost, APC stability problems and system failures

Hello,

We are having stability problems on our Drupal site. We have a dedicated server which runs mainly our Drupal site and couple of other small sites. Daily visitor is around 20.000 and around 17.000 is on Drupal and only 200-300 are registered.

We have Gainestown E5520 8 cores(running as 16 cores) CPU with 8 GB ram and fast disk configuration enough. As all can guess hardware infrastructure is well enough to manage whole work. Configuration is simply:

PHP 5.2 cgi mode
Apache 2.2.14
APC installed, MPM_WORKER
Suhosin

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steveadamo's picture

Merging best practices together - need insight / advice

first of all, thanks for putting together this group, it has definitely opened my eyes to some great methods for squeezing the most performance out of a Drupal site... :)

im at the tail end of a 12 month development cycle, and have finally gotten around to setting up my hosting environment... ive taken the plunge, and after more research than i care to recall, have decided on creating and managing my own setup with Linode.com...

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