We are running magento EE ver. It was running fine for a long, but suddenly we got an issue as follows in storefront.

Redis Read error on connection

Uncaught exception 'CredisException' with message 'read error on connection' in /var/www/vhosts/project/httpdocs/lib/Credis/Client.php:631

Sample stack trace

…:__call called at /var/www/vhosts/project/httpdocs/lib/Credis/ Client.php (440)

…alled at /var/www/vhosts/project/httpdocs/lib/Cm/Cache/Backend/ Redis.php (117)

…_construct called at /var/www/vhosts/project/httpdocs/lib/Zend/ Cache.php (153)

…akeBackend called at /var/www/vhosts/project/httpdocs/lib/Zend/ Cache.php (94)

…/var/www/vhosts/project/httpdocs/app/code/core/Mage/Core/Model/ Cache.php (137)

…var/www/vhosts/project/httpdocs/app/code/core/Mage/Core/Model/ Config.php (1354)

…getModelInstance called at /var/www/vhosts/project/httpdocs/app/ Mage.php (463)

…t /var/www/vhosts/project/httpdocs/app/code/core/Mage/Core/Model/ App.php (401)

…t /var/www/vhosts/project/httpdocs/app/code/core/Mage/Core/Model/ App.php (269)

…_Model_App::init called at /var/www/vhosts/project/httpdocs/app/ Mage.php (616)

in Mage::app called at /var/www/vhosts/project/httpdocs/index.php (89)

This happens every 5 minutes when magento default cronjob runs.

We tried increasing read_timout, disabling redis snapshot feature etc. But no luck.

Our redis version is 3.2.10


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