47 lines
1.4 KiB
Bash
Executable File
47 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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set -o pipefail
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sysctl-set-value net.ipv4.tcp_max_tw_buckets 5800000
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sysctl-set-value net.ipv4.tcp_max_orphans 5800000
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sysctl-set-value net.ipv4.tcp_max_syn_backlog 40960
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sysctl-set-value net.ipv4.tcp_keepalive_time 300
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sysctl-set-value net.ipv4.tcp_tw_recycle 0
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sysctl-set-value net.ipv4.tcp_tw_reuse 1
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sysctl-set-value net.ipv4.tcp_timestamps 0
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sysctl-set-value net.ipv4.tcp_ecn 0
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sysctl-set-value net.ipv4.tcp_sack 0
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sysctl-set-value net.ipv4.tcp_dsack 0
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sysctl-set-value net.ipv4.netfilter.ip_conntrack_max 1524288
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sysctl-set-value net.core.somaxconn 40960
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sysctl-set-value net.ipv4.tcp_synack_retries 3
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sysctl-set-value net.core.netdev_max_backlog 40960
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sysctl-set-value fs.file-max 1048576
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sysctl-set-value net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait 5
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sysctl-set-value net.ipv4.netfilter.ip_conntrack_tcp_timeout_fin_wait 5
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sysctl-set-value net.ipv4.tcp_fin_timeout 5
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# Currently the tripleo-image-elements sysctl element can't handle multi-value
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# settings, so I will set them manually here
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NAME=net.ipv4.tcp_rmem
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VALUE="16384 65536 524288"
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FILENAME="/etc/sysctl.d/${NAME}.conf"
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cat > $FILENAME <<EOF_CAT
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$NAME = $VALUE
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EOF_CAT
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NAME=net.ipv4.tcp_wmem
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VALUE="16384 349520 699040"
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FILENAME="/etc/sysctl.d/${NAME}.conf"
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cat > $FILENAME <<EOF_CAT
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$NAME = $VALUE
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EOF_CAT
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NAME=net.ipv4.ip_local_port_range
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VALUE="1024 65000"
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FILENAME="/etc/sysctl.d/${NAME}.conf"
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cat > $FILENAME <<EOF_CAT
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$NAME = $VALUE
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EOF_CAT
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