Questions tagged [memcached]

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34
votes
2answers
27k views

Magento Cache - confusion about Varnish, Redis, APC, Memcache

I'm try to improve Magento performances ( soon or later "MageDev" hit this point :) I did some research and I found a lot of good, but not homogeneous, guides. What I got is that: MemCache or ...
5
votes
2answers
4k views

Magento writing to tmp/magento directory

The site started throwing exceptions on both the front & backend. After disabling redis, memcached & the full page cache and reverting to using files for sessions, the site seems to function ...
12
votes
1answer
783 views

Magento varien session start very slow on category pages with MEMCACHE session storage

I am using memcache for session storage and on category pages I have noticed in new relic transactions where varien session start can take over 30 seconds. It can possibly be something to do with ...
8
votes
1answer
2k views

Very long time for Mage_Core_Model_Session_Abstract_Varien::start

We are using Magento EE 1.14.1.0 and are seeing very long times for Mage_Core_Model_Session_Abstract_Varien::start method. We tried using Memcached and Redis for session storage both with the same ...
7
votes
1answer
5k views

Various Magento Cache flushing methods

There are a number of ways to flush Magento cache, with slight differences. I have always been a bit confused about these and often end up overdoing it when deleting the cache. This my understanding ...
2
votes
1answer
269 views

Magento 2: memcached error “SessionHandler::read(): Unable to clear session lock record in”

I enable Memcahed cache and change app/etc/env.php to array ( 'save' => 'memcached', 'save_path' => '127.0.0.1:11211') And now i get this error SessionHandler::read(): Unable to ...
2
votes
3answers
2k views

Session_regenerate_id in Magento 2 with PHP 7

I've got an install of Magento 2.0 running on Centos 6.7 with PHP 7. I'm using Redis for cache and Memcached for session data. Everything so far on the frontend works great, but I'm getting the ...
2
votes
1answer
642 views

When does Magento decide to give a guest a new visitor_id? Cart gets empty sometimes

When does Magento decide to give a guest a new visitor_id? I noticed many entries in log_visitor table, and session_id often is replicated many times, and that makes cart get empty sometimes for some ...
1
vote
1answer
2k views

Magento 2.2.2 Unable to clear session lock record in /var/www/magento/vendor/magento/framework/Session/SaveHandler/Native.php on line 22

Environment: Magento 2.2.2 Memcached:1.4.35 Overnight I find myself unable to access the admin area of my Magento installation. No changes were made to the environment. No changes to env.php. ...
0
votes
1answer
1k views

Check Magento Store Performance with APC or Memcache

On my Server both APC and Memcached is installed. I have enabled both caching system one by one from local.xml each time. In both cases I have checked site speed from Google Page Speed and Gtmetrix ...