Update redis.conf

redis.conf

@@ -415,21 +415,6 @@ proc-title-template "{title} {listen-addr} {server-mode}"
 # is derived from the environment variables.
 locale-collate "en_US.UTF-8"
 
-
-##################################  KERNEL  ###################################
-
-# 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.
-# The overcommit_memory has 3 options.
-# 0, the system kernel check if there is enough memory to be allocated to the process or not, 
-# if not enough, it will return errors to the process.
-# 1, the system kernel is allowed to allocate the whole memory to the process
-# no matter what the status of memory is.
-# 2, the system kernel is allowed to allocate a memory whose size could be bigger than
-# the sum of the size of physical memory and the size of exchange workspace to the process.
-vm.overcommit_memory = 1
-
 ################################ SNAPSHOTTING  ################################
 
 # Save the DB to disk.