/etc/sysctl.conf

# /etc/sysctl.conf
# https://www.facebook.com/stressss


#For 64-bit systems with 64GB of RAM:
#kernel.shmmax=34359738368
#kernel.shmmni=4096
#kernel.shmall=16777216
#vm.nr_hugepages=16384
#For 64-bit systems with 32GB of RAM:
#kernel.shmmax=17179869184
#kernel.shmmni=4096
#kernel.shmall=8388608
#vm.nr_hugepages=8192
#For 64-bit systems with 16GB of RAM:
#kernel.shmmax=8589934592
#kernel.shmmni=4096
#kernel.shmall=4194304
#vm.nr_hugepages=4096
#For 64-bit systems with 8GB of RAM:
#kernel.shmmax=4294967295
#kernel.shmmni=4096
#kernel.shmall=2097152
#vm.nr_hugepages=2048
#For systems with 4GB of RAM:
#kernel.shmmax=2147483648
#kernel.shmmni=4096
#kernel.shmall=1048576
#vm.nr_hugepages=1024
#For systems with 1GB of RAM:
kernel.shmmax=536870912
kernel.shmmni=4096
kernel.shmall=262144

##############  BATAS UNTUK PENYESUAIAN MEMORY  ####################

net.ipv4.ip_nonlocal_bind = 1
kernel.panic = 30
kernel.panic_on_oops = 30
kernel.sysrq = 0
kernel.core_uses_pid = 1
kernel.pid_max = 65536
kernel.randomize_va_space = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
fs.file-max = 209708
vm.swappiness = 10
vm.dirty_ratio = 60
vm.dirty_background_ratio = 2
vm.mmap_min_addr = 4096
vm.overcommit_ratio = 0
vm.overcommit_memory = 0
vm.min_free_kbytes = 65536
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_syn_retries = 5
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_max_syn_backlog = 4096
net.ipv4.ip_forward = 1
net.ipv4.conf.all.forwarding = 0
net.ipv4.conf.default.forwarding = 0
net.ipv6.conf.all.forwarding = 0
net.ipv6.conf.default.forwarding = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.default.accept_source_route = 0
net.ipv4.conf.all.rp_filter = 2
net.ipv4.conf.default.rp_filter = 2
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.default.accept_redirects = 0
net.ipv4.conf.all.log_martians = 0
net.ipv4.conf.default.log_martians = 0
net.ipv4.tcp_fin_timeout = 15
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_probes = 5
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.conf.all.bootp_relay = 0
net.ipv4.conf.all.proxy_arp = 0
net.ipv4.tcp_dsack = 1
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_timestamps = 1
net.ipv4.icmp_echo_ignore_all = 0
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
net.ipv4.tcp_rfc1337 = 1
net.ipv4.tcp_congestion_control = cubic
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_mem = 65536 131072 262144
net.ipv4.udp_mem = 65536 131072 262144
net.ipv4.tcp_rmem = 8192 87380 16777216
net.ipv4.udp_rmem_min = 16384
net.core.rmem_default = 131072
net.core.rmem_max = 16777216
net.ipv4.tcp_wmem = 8192 65536 16777216
net.ipv4.udp_wmem_min = 16384
net.core.wmem_default = 131072
net.core.wmem_max = 16777216
net.core.somaxconn = 32768
net.core.netdev_max_backlog = 4096
net.core.dev_weight = 64
net.core.optmem_max = 65536
net.ipv4.tcp_max_tw_buckets = 1440000
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_max_orphans = 16384
net.ipv4.tcp_orphan_retries = 0
net.ipv4.ipfrag_high_thresh = 512000
net.ipv4.ipfrag_low_thresh = 446464
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_moderate_rcvbuf = 1
net.unix.max_dgram_qlen = 50
net.ipv4.neigh.default.gc_thresh3 = 2048
net.ipv4.neigh.default.gc_thresh2 = 1024
net.ipv4.neigh.default.gc_thresh1 = 32
net.ipv4.neigh.default.gc_interval = 30
net.ipv4.neigh.default.proxy_qlen = 96
net.ipv4.neigh.default.unres_qlen = 6
net.ipv4.tcp_ecn = 1
net.ipv4.tcp_ecn = 2
net.ipv4.tcp_reordering = 3
net.ipv4.tcp_retries2 = 15
net.ipv4.tcp_retries1 = 3