Kernel Runtime Configuration: Difference between revisions

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====net.ipv4.tcp_wmen====
{{External|https://wiki.mikejung.biz/Sysctl_tweaks#net.ipv4.tcp_wmem}}


====net.ipv4.tcp_window_scaling====
====net.ipv4.tcp_window_scaling====

Revision as of 18:26, 8 June 2017

External

Internal

fs

kernel

kernel.hostname

kernel.pid_max

Represents the maximum number of processes allowed on the system.

net

core

net.core.rmem_default

The default setting in bytes of the socket receive buffer. This may be set by the application using SO_RCVBUF socket option, up to net.core.rmem_max bytes. This value can be changed without reboot.

net.core.rmem_max

https://wiki.mikejung.biz/Sysctl_tweaks#net.core.rmem_max

The maximum socket receive buffer size. Application can change the size of the receive buffer using SO_RCVBUF up to this limit. This value can be changed without reboot.

net.core.wmem_default

The default setting in bytes of the socket send buffer. This may be set by the application using SO_SNDBUF socket option, up to net.core.wmem_max bytes. This value can be changed without reboot.

net.core.wmem_max

https://wiki.mikejung.biz/Sysctl_tweaks#net.core.wmem_max

The maximum socket receive buffer size. The socket buffer size may be set by using the SO_SNDBUF socket option. This value can be changed without reboot.

net.core.netdev_max_backlog

https://access.redhat.com/solutions/1241943
https://wiki.mikejung.biz/Sysctl_tweaks#net.core.netdev_max_backlog

'net.core.netdev_max_backlog' determines the maximum number of packets, queued on the INPUT side, when the interface receives packets faster than kernel can process them.

ipv4

net.ipv4.tcp_rmem

https://wiki.mikejung.biz/Sysctl_tweaks#net.ipv4.tcp_rmem


10240 87380 12582912

net.ipv4.tcp_wmen

https://wiki.mikejung.biz/Sysctl_tweaks#net.ipv4.tcp_wmem

net.ipv4.tcp_window_scaling

1

net.ipv4.tcp_timestamps

net.ipv4.tcp_sack

net.ipv4.tcp_no_metrics_save

vm