[Bug 225791] ena driver causing kernel panics on AWS EC2

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225791

--- Comment #7 from Richard Paul <richard at primarysite.net> ---
I missed a couple of configuration options we'd set:

------------------------------------------------------------------------------
sysctl:

kern.ipc.soacceptqueue: 8192
------------------------------------------------------------------------------

------------------------------------------------------------------------------
postgresql.conf

max_connections = 120                               
shared_buffers = 2GB                                
effective_cache_size = 6GB                          
checkpoint_completion_target = 0.9                  
checkpoint_timeout = 1h                             
work_mem = 2MB                                      
maintenance_work_mem = 256MB                        
max_locks_per_transaction = 128                     
random_page_cost = 1.1                              
max_worker_processes = 2                 
------------------------------------------------------------------------------

I've changed the instance type to an r4.large and I'll tweak some of the
postgresql settings for the additional memory on the r4 instance and I'll set
it off again to attempt getting it to fall over.

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