Memcached ErrorException: MemcachePool::get(): Server

Hello,

---

I've been periodically receiving this error on my forum.

Error Info

Code:

ErrorException: MemcachePool::get(): Server 127.0.0.1 (tcp 11211, udp 0) failed with: Network timeout (0) - library/Zend/Cache/Backend/Memcached.php:180
Generated By: Unknown Account, A moment ago

Stack Trace

Code:

#0 [internal function]: XenForo_Application::handlePhpError(8, 'MemcachePool::g...', '/home/nginx/dom...', 180, Array)
#1 /home/nginx/domains/mydomain.com/public/library/Zend/Cache/Backend/Memcached.php(180): MemcachePool->get('xf_data_options')
#2 /home/nginx/domains/mydomain.com/public/library/Zend/Cache/Core.php(303): Zend_Cache_Backend_Memcached->load('xf_data_options', false)
#3 /home/nginx/domains/mydomain.com/public/library/XenForo/Model/DataRegistry.php(87): Zend_Cache_Core->load('data_options')
#4 /home/nginx/domains/mydomain.com/public/library/XenForo/Dependencies/Abstract.php(147): XenForo_Model_DataRegistry->getMulti(Array)
#5 /home/nginx/domains/mydomain.com/public/library/XenForo/FrontController.php(127): XenForo_Dependencies_Abstract->preLoadData()
#6 /home/nginx/domains/mydomain.com/public/index.php(13): XenForo_FrontController->run()
#7 {main}

Request State

Code:

array(3) {
["url"] => string(45) "http://www.mydomain.com/index.php?tabalerts"
["_GET"] => array(1) {
["tabalerts"] => string(0) ""
}
["_POST"] => array(4) {
["_xfRequestUri"] => string(42) "/index.php?threads/ban-appeal-format.1315/"
["_xfNoRedirect"] => string(1) "1"
["_xfToken"] => string(8) "********"
["_xfResponseType"] => string(4) "json"
}
}

XenForo Config

Code:

<?php

if (isset($_SERVER['HTTP_CF_CONNECTING_IP']))
{
$_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_CF_CONNECTING_IP'];
}

$config['db']['host'] = 'localhost';
$config['db']['port'] = '3306';
$config['db']['username'] = '#######';
$config['db']['password'] = '#######';
$config['db']['dbname'] = '######';

$config['superAdmins'] = '1,4';

$config['cache']['enabled'] = true;
$config['cache']['cacheSessions'] = true;
$config['cache']['frontend'] = 'Core';
$config['cache']['frontendOptions'] = array(
    'caching' => true,
    'cache_id_prefix' => 'xf_',
    'automatic_serialization' => true,
    'lifetime' => 0
);

$config['cache']['backend'] = 'Memcached';

$config['cache']['backendOptions'] = array(
    'servers' => array(
        array(
            'host' => '127.0.0.1',
            'port' => 11211,
            'persistent' => 'true',
            'weight' => 1
        )
    )
);

# $config['enableListeners'] = 0;

I'm using Memcached and Zend OPCache.

Any idea what's going on?

 

What's the benefits of using Libmemcached over Memcached? Also, do I need to change anything since it's now using Libmemcached as its backend?

 

Very well. Thank you Roldan.

 

Still the same issue.

 

Restarted memecached and my forum is back online. I'll see if that helped.