sysctl.conf
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sysctl.conf
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	# -------------------------------------------------------------
	# Kernel state configuration
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
	# Project: Nasqueron
	# License: Trivial work, not eligible to copyright
	# Source file: roles/core/sysctl/files/sysctl.conf
	# -------------------------------------------------------------
	#
	# <auto-generated>
	# This file is managed by our rOPS SaltStack repository.
	#
	# Changes to this file may cause incorrect behavior
	# and will be lost if the state is redeployed.
	# </auto-generated>

	# -------------------------------------------------------------
	# Interprocess Communication
	#
	# See T519
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	kern.ipc.somaxconn=1024

	# -------------------------------------------------------------
	# VFS — kernel interface to file systems
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	# Allow user to mount disks (required by FUSE or PEFS)
	vfs.usermount=1

	{%- if use_zfs %}

	{% if mem < 4096 %}
	# Maximum size of the Adaptive Replacement Cache (ARC).
	vfs.zfs.arc_max = 2147483648
	{% endif %}

	# Keep prefetch: this works by reading larger blocks than were requested
	# into the ARC in hopes that the data will be needed soon.
	vfs.zfs.prefetch_disable=0

	{% endif -%}

	{% if is_router -%}
	# Enable CARP preemption
	net.inet.carp.preempt=1
	{% endif -%}