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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| //go:build linux | ||
| // +build linux | ||
|
|
||
| // Copyright (c) 2015-2024 MinIO, Inc. | ||
| // | ||
| // This file is part of MinIO Object Storage stack | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "net" | ||
| "syscall" | ||
| "time" | ||
|
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| "github.com/dustin/go-humanize" | ||
| "golang.org/x/sys/unix" | ||
| ) | ||
|
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| func setTCPParametersFn() func(network, address string, c syscall.RawConn) error { | ||
| return func(network, address string, c syscall.RawConn) error { | ||
| c.Control(func(fdPtr uintptr) { | ||
| // got socket file descriptor to set parameters. | ||
| fd := int(fdPtr) | ||
|
|
||
| _ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_REUSEADDR, 1) | ||
|
|
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| _ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_REUSEPORT, 1) | ||
|
|
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| { | ||
| // Enable big buffers | ||
| _ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_SNDBUF, 8*humanize.MiByte) | ||
|
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| _ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_RCVBUF, 8*humanize.MiByte) | ||
| } | ||
|
|
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| // Enable TCP open | ||
| // https://lwn.net/Articles/508865/ - 32k queue size. | ||
| _ = syscall.SetsockoptInt(fd, syscall.SOL_TCP, unix.TCP_FASTOPEN, 32*1024) | ||
|
|
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| // Enable TCP fast connect | ||
| // TCPFastOpenConnect sets the underlying socket to use | ||
| // the TCP fast open connect. This feature is supported | ||
| // since Linux 4.11. | ||
| _ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_FASTOPEN_CONNECT, 1) | ||
|
|
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| // Enable TCP quick ACK, John Nagle says | ||
| // "Set TCP_QUICKACK. If you find a case where that makes things worse, let me know." | ||
| _ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_QUICKACK, 1) | ||
|
|
||
| /// Enable keep-alive | ||
| { | ||
| _ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_KEEPALIVE, 1) | ||
|
|
||
| // The time (in seconds) the connection needs to remain idle before | ||
| // TCP starts sending keepalive probes | ||
| _ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, 15) | ||
|
|
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| // Number of probes. | ||
| // ~ cat /proc/sys/net/ipv4/tcp_keepalive_probes (defaults to 9, we reduce it to 5) | ||
| _ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPCNT, 5) | ||
|
|
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| // Wait time after successful probe in seconds. | ||
| // ~ cat /proc/sys/net/ipv4/tcp_keepalive_intvl (defaults to 75 secs, we reduce it to 15 secs) | ||
| _ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, 15) | ||
| } | ||
| }) | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| // DialContext is a function to make custom Dial for internode communications | ||
| type DialContext func(ctx context.Context, network, address string) (net.Conn, error) | ||
|
|
||
| // NewInternodeDialContext setups a custom dialer for internode communication | ||
| func NewInternodeDialContext(dialTimeout time.Duration) DialContext { | ||
| d := &net.Dialer{ | ||
| Timeout: dialTimeout, | ||
| Control: setTCPParametersFn(), | ||
| } | ||
| return func(ctx context.Context, network, addr string) (net.Conn, error) { | ||
| return d.DialContext(ctx, network, addr) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| //go:build !linux | ||
| // +build !linux | ||
|
|
||
| // Copyright (c) 2015-2024 MinIO, Inc. | ||
| // | ||
| // This file is part of MinIO Object Storage stack | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "net" | ||
| "syscall" | ||
| "time" | ||
| ) | ||
|
|
||
| // TODO: if possible implement for non-linux platforms, not a priority at the moment | ||
| // | ||
| //nolint:unused | ||
| func setTCPParametersFn() func(network, address string, c syscall.RawConn) error { | ||
| return func(network, address string, c syscall.RawConn) error { | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| // DialContext is a function to make custom Dial for internode communications | ||
| type DialContext func(ctx context.Context, network, address string) (net.Conn, error) | ||
|
|
||
| // NewInternodeDialContext configures a custom dialer for internode communications | ||
| func NewInternodeDialContext(dialTimeout time.Duration) DialContext { | ||
| return func(ctx context.Context, network, addr string) (net.Conn, error) { | ||
| dialer := &net.Dialer{ | ||
| Timeout: dialTimeout, | ||
| } | ||
| return dialer.DialContext(ctx, network, addr) | ||
| } | ||
| } |