# Shared memory settings

# Maximum total size of shared memory in pages (normally 4096 bytes)
kernel.shmall = 6553600
# Maximum size of shared memory segment in bytes
kernel.shmmax = 26843545600

# Virtual memory settings
vm.swappiness = 0
vm.overcommit_memory = 2

# We don't want these numbers to be too large or else performance
# will be too spiky.  These seem to give a good balance between low
# numbers and sequential write performance
vm.dirty_ratio = 5
vm.dirty_background_ratio = 2