Hi

         Our Production server get hanged and stop working till we

  Stopping the service gracefully
and this is the last log showing in odoologfile  

11920 INFO www.x.com odoo.service.server: Worker (11920) max request (8192) reached.

11920 INFO www.x.com odoo.service.server: Worker (11920) exiting. request_count: 8193, registry count: 1.

Ihave Odoo version 10 running on an ubuntu 16 GB of RAM, With 6 vCPUs

workers = 7

limit_memory_hard = 25000000000

limit_memory_soft = 24000000000

limit_request = 8192

limit_time_cpu = 10800

limit_time_real = 14400

max_cron_threads = 3

logrotate = True

xmlrpc = True