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I cloned my server version of a Magento install locally. I changed nothing (besides the base url) and it is extremely slow. With extremely I mean loading is almost not possible (up to a minute and more). The version on the server is just fine.

This only affects the frontend. The backend works fine.

I run it on a Mac with MAMP Pro with PHP 5.6.2 and MySQL 5.5.38. Machine is a new macbook pro with 16GB RAM and 2,8 GHz Intel Core i7.

PHP config:

max_execution_time = 600     
max_input_time = 600    
memory_limit = 512M

MySQL config:

# The MySQL server
[mysqld]
socket      = /Applications/MAMP/tmp/mysql/mysql.sock
key_buffer = 1024M
max_allowed_packet = 512M
table_cache = 1024
sort_buffer_size = 4096K
net_buffer_length = 512K
read_buffer_size = 4096K
read_rnd_buffer_size = 4096K
myisam_sort_buffer_size = 1024M

log = /Applications/MAMP/logs/mysql_sql.log

[mysqldump]
quick
max_allowed_packet = 256M

[mysql]
no-auto-rehash

[isamchk]
key_buffer = 64M
sort_buffer_size = 64M
read_buffer = 8M
write_buffer = 8M

[myisamchk]
key_buffer = 64M
sort_buffer_size = 64M
read_buffer = 8M
write_buffer = 8M

Other sites on this Mac run just fine and fast.

Magento cache is activated and the indexes and the cache are up to date.

What could cause this?

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3
  • Is the front-end trying to connect to some sort of external service and timing out?
    – Agop
    Commented May 19, 2015 at 18:16
  • I don't think so. My machine is online and connected to the internet, so timeouts shouldn't be an issue...
    – Øle Bjarnstroem
    Commented May 20, 2015 at 17:54
  • 2
    Right, but often times, production sites connect to services which cannot be accessed from the outside, or are otherwise limited in some manner. I see that you've resolved your problem, but this may help out someone else in a similar situation.
    – Agop
    Commented May 20, 2015 at 19:06

1 Answer 1

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2

If it's only on the front-end it probably has to do with an installed extension.

It's for example possible that you have an extension that uses curl to retrieve data (for example a Twitter feed). If the data source can't be reached, it might take a while before the request times out, causing the page to take a very long time to load.

You can add <disable_local_modules>true</disable_local_modules> to your app/etc/local.xml in the general tag. It will disable all modules in app/code/local. Alternatively you can try to disable and re-enable each extension separately, change front-end theme etc.

Also you can try to install a fresh install of Magento and see if you experience the same issue. If not, it must be a custom extension.

If both front and back-end would be slow I'd expect it to be an issue with xDebug or similar.

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3
  • Going into app/etc/modules and deactivating all extra extensions that I added did the trick I think. At least it now loads in ~20 sec, which is still painfully slow but much better than before... Oh, and don't forget to clear/rebuild the cache after that.
    – Øle Bjarnstroem
    Commented May 20, 2015 at 18:41
  • Further explanation on how to disable extensions: webmasters.stackexchange.com/questions/34244/…
    – Øle Bjarnstroem
    Commented May 20, 2015 at 19:01
  • Good to hear. You can also try to mount the var/cache and var/session in tmpfs memory. 20 seconds seems like a long time, maybe xDebug is enabled by default? It will slow down the system a lot (but is very handy when debugging of course)
    – Milan Simek
    Commented May 20, 2015 at 23:45

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