maybe an issue with latest beta core
Installation and Configuration
And this one:
read error on connection
Means your redis server disconnected before the READ could occur - again, not a Jamroom issue.
If your site is REALLY busy, you could be running into a maxconn issue - make sure and check this out:
https://www.cyberciti.biz/faq/ip_conntrack-table-ful-dropping-packet-error/
Do some reading about how the kernel handles IP connection tracking - you may need to increase it.