duong1989 · January 17, 2024 03:25
diff --git a/gistfile1.txt b/gistfile1.txt
 # Elasticsearch optimization
 vm.max_map_count=262144

 # Redis optimization
 vm.overcommit_memory=1
 net.core.somaxconn=65535

 # Have a larger connection range available
 net.ipv4.ip_local_port_range=1024 65000

 # Reuse closed sockets faster
 net.ipv4.tcp_tw_reuse=1
 net.ipv4.tcp_fin_timeout=15

 # The maximum number of "backlogged sockets".  Default is 128.
 # net.core.somaxconn=4096
 net.core.netdev_max_backlog=4096

 # 16 MB per socket - which sounds like a lot, but will virtually never consume that much.
 net.core.rmem_max=16777216
 net.core.wmem_max=16777216

 # Various network tunables
 net.ipv4.tcp_max_syn_backlog=20480
 net.ipv4.tcp_max_tw_buckets=400000
 net.ipv4.tcp_no_metrics_save=1
 net.ipv4.tcp_rmem=4096 87380 16777216
 net.ipv4.tcp_syn_retries=2
 net.ipv4.tcp_synack_retries=2
 net.ipv4.tcp_wmem=4096 65536 16777216
 #vm.min_free_kbytes=65536

 # Connection tracking to prevent dropped connections (usually issue on LBs)
 net.netfilter.nf_conntrack_max=262144
 # Error by setting the following: cannot stat /proc/sys/net/ipv4/netfilter/ip_conntrack_generic_timeout: No such file or directory
 net.ipv4.netfilter.ip_conntrack_generic_timeout=120
 net.netfilter.nf_conntrack_tcp_timeout_established=86400

 # ARP cache settings for a highly loaded Docker Swarm
 net.ipv4.neigh.default.gc_thresh1=8096
 net.ipv4.neigh.default.gc_thresh2=12288
 net.ipv4.neigh.default.gc_thresh3=16384
	# Elasticsearch optimization
	vm.max_map_count=262144

	# Redis optimization
	vm.overcommit_memory=1
	net.core.somaxconn=65535

	# Have a larger connection range available
	net.ipv4.ip_local_port_range=1024 65000

	# Reuse closed sockets faster
	net.ipv4.tcp_tw_reuse=1
	net.ipv4.tcp_fin_timeout=15

	# The maximum number of "backlogged sockets". Default is 128.
	# net.core.somaxconn=4096
	net.core.netdev_max_backlog=4096

	# 16 MB per socket - which sounds like a lot, but will virtually never consume that much.
	net.core.rmem_max=16777216
	net.core.wmem_max=16777216

	# Various network tunables
	net.ipv4.tcp_max_syn_backlog=20480
	net.ipv4.tcp_max_tw_buckets=400000
	net.ipv4.tcp_no_metrics_save=1
	net.ipv4.tcp_rmem=4096 87380 16777216
	net.ipv4.tcp_syn_retries=2
	net.ipv4.tcp_synack_retries=2
	net.ipv4.tcp_wmem=4096 65536 16777216
	#vm.min_free_kbytes=65536

	# Connection tracking to prevent dropped connections (usually issue on LBs)
	net.netfilter.nf_conntrack_max=262144
	# Error by setting the following: cannot stat /proc/sys/net/ipv4/netfilter/ip_conntrack_generic_timeout: No such file or directory
	net.ipv4.netfilter.ip_conntrack_generic_timeout=120
	net.netfilter.nf_conntrack_tcp_timeout_established=86400

	# ARP cache settings for a highly loaded Docker Swarm
	net.ipv4.neigh.default.gc_thresh1=8096
	net.ipv4.neigh.default.gc_thresh2=12288
	net.ipv4.neigh.default.gc_thresh3=16384