JOduMonT authored Aug 21, 2017 and Pierre Ozoux committed Aug 21, 2017

as is recommanded by REDIS
# WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.