Sysctl - Historial de revisió

Marti: /* Connection tunning for performance */

2017-05-21T16:15:44Z

Connection tunning for performance

← Versió més antiga		Revisió del 16:15, 21 maig 2017
Línia 1:		Línia 1:
	==Connection tunning for performance==		==Connection tunning for performance==
	Config for fast 1 Gbps Internet connections
			See some of the current values you are using at https://www.speedguide.net/analyzer.php


			Config for fast 1 Gbps Internet connections:

	===Windows===		===Windows===

Marti: /* Windows */

2017-05-21T16:14:59Z

Windows

← Versió més antiga		Revisió del 16:14, 21 maig 2017
Línia 41:		Línia 41:
	</pre>		</pre>

			Alternatively there is a progra to see and change all the values:
			https://www.speedguide.net/downloads.php

	===Linux===		===Linux===

Marti: /* Linix config for fast 1 Gbps connections */

2017-05-21T16:11:37Z

Linix config for fast 1 Gbps connections

← Versió més antiga		Revisió del 16:11, 21 maig 2017
Línia 1:		Línia 1:
	===~~Linix config~~ for fast 1 Gbps connections===		==Connection tunning for performance==
			Config for fast 1 Gbps Internet connections

			===Windows===

			https://www.speedguide.net/articles/windows-8-10-2012-server-tcpip-tweaks-5077

			Open a PowerShell as administrator.


			Show current config:

			<pre>
			netsh int tcp show global
			Get-NetTCPSetting -SettingName InternetCustom
			</pre>

			Apply new config:
			<pre>
			# DEFAULT OPTION THAT SOMETIMES IT DOES NOT WORK WELL:
			netsh int tcp set global autotuninglevel=normal
			# IF IT DOES NOT WORK WELL TEST IF IT IMPROVES:
			netsh int tcp set global autotuninglevel=highlyrestricted


			netsh int tcp set heuristics disabled

			Set-NetTCPSetting -SettingName InternetCustom -CongestionProvider CTCP

			netsh int tcp set global dca=enabled

			Get-NetAdapterChecksumOffload
			Enable-NetAdapterChecksumOffload -Name *

			netsh int tcp set global rss=enabled
			netsh int tcp set global rsc=enabled


			Set-NetTCPSetting -SettingName InternetCustom -InitialCongestionWindow 10
			#ALTERINATIVELY: netsh int tcp set supplemental template=custom icw=10
			</pre>


			===Linux===

	See current config		See current config

Marti: /* Linix config for fast 1 Gbps connections */

2017-05-21T16:03:49Z

Linix config for fast 1 Gbps connections

← Versió més antiga		Revisió del 16:03, 21 maig 2017
Línia 22:		Línia 22:
	</pre>		</pre>

	~~Apply changes~~		Explanation of the different congestion control algorithms: http://androidmodguide.blogspot.de/p/tcp-algorithms.html
	~~sysctl~~ -p


			Apply changes
			sysctl -p

	===Check speed of internet connection (no root needed)===		===Check speed of internet connection (no root needed)===

Marti: Es crea la pàgina amb «===Linix config for fast 1 Gbps connections=== See current config sysctl -a /etc/sysctl.conf

 #marti: https://fasterdata.es.net/host-tuning/linux/ # allow test...».

2017-05-21T16:03:15Z

Es crea la pàgina amb «===Linix config for fast 1 Gbps connections=== See current config sysctl -a /etc/sysctl.conf <pre> #marti: https://fasterdata.es.net/host-tuning/linux/ # allow test...».

Pàgina nova

===Linix config for fast 1 Gbps connections===

See current config
sysctl -a

/etc/sysctl.conf
<pre>
#marti: https://fasterdata.es.net/host-tuning/linux/
# allow testing with buffers up to 32MB
net.core.rmem_max = 33554432
net.core.wmem_max = 33554432
# increase Linux autotuning TCP buffer limit to 16MB
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
# recommended default congestion control is htcp (enlloc de la per defecte cubic)
net.ipv4.tcp_congestion_control=htcp
# recommended for hosts with jumbo frames enabled
net.ipv4.tcp_mtu_probing=1
net.ipv4.tcp_slow_start_after_idle=0
# crec que ja esta activat per defecte:
net.ipv4.tcp_sack=1
</pre>

Apply changes
sysctl -p

===Check speed of internet connection (no root needed)===
wget https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py
chmod a+rx speedtest.py
./speedtest.py