Limitare l'uso della Ram da parte di ZFS - Revision history

Gabriele.vivinetto at 15:14, 14 February 2023

2023-02-14T15:14:33Z

← Older revision		Revision as of 15:14, 14 February 2023
Line 1:		Line 1:
	* Zfs utilizza per la cache in lettura ~~tutt ala~~ Ram disponibile.		* Zfs utilizza per la cache in lettura tutta la Ram disponibile.
	* Se si vuole limitare, scommentare il ~~valore voluto~~:		* Se si vuole limitare, scommentare il valori voluti, impostando il massimo ed il minimo:



	<pre>		<pre>
	cat <<EOFile \| sudo tee /etc/modprobe.d/zfs.conf		cat <<EOFile \| sudo tee /etc/modprobe.d/zfs.conf
	#1GB		#1GB
	options zfs ~~zfs_arc_max~~=1073741824		options zfs zfs_arc_min=1073741824
	#options zfs zfs_arc_max=2147483648		options zfs zfs_arc_max=2147483648
	#options zfs zfs_arc_max=3221225472		#options zfs zfs_arc_max=3221225472
	#options zfs zfs_arc_max=4294967296		#options zfs zfs_arc_max=4294967296
Line 20:		Line 18:

	* Fare reboot, o impostare manualmente:		* Fare reboot, o impostare manualmente:
	echo "1073741824" \| sudo tee /sys/module/zfs/parameters/zfs_arc_max		echo "1073741824" \| sudo tee /sys/module/zfs/parameters/zfs_arc_min
			echo "2147483648" \| sudo tee /sys/module/zfs/parameters/zfs_arc_max

	* Svuotarla:		* Svuotarla:
Line 26:		Line 25:

	* Verificare:		* Verificare:
	cat /sys/module/zfs/parameters/~~zfs_arc_max~~		cat /sys/module/zfs/parameters/zfs_arc_m{in,ax}

	1073741824		1073741824
			2147483648

	=Riferimenti=		=Riferimenti=

Gabriele.vivinetto at 17:41, 13 February 2023

2023-02-13T17:41:53Z

← Older revision		Revision as of 17:41, 13 February 2023
Line 21:		Line 21:
	* Fare reboot, o impostare manualmente:		* Fare reboot, o impostare manualmente:
	echo "1073741824" \| sudo tee /sys/module/zfs/parameters/zfs_arc_max		echo "1073741824" \| sudo tee /sys/module/zfs/parameters/zfs_arc_max

			* Svuotarla:
			echo 3 > /proc/sys/vm/drop_caches

	* Verificare:		* Verificare:
Line 30:		Line 33:
	*[http://serverfault.com/questions/581669/why-isnt-the-arc-max-setting-honoured-on-zfs-on-linux zfsonlinux - Why isn't the arc_max setting honoured on ZFS on Linux? - Server Fault]		*[http://serverfault.com/questions/581669/why-isnt-the-arc-max-setting-honoured-on-zfs-on-linux zfsonlinux - Why isn't the arc_max setting honoured on ZFS on Linux? - Server Fault]
	*[https://bbs.archlinux.org/viewtopic.php?id=171559 Excessive memory use with ZFS [SOLVED sort of] / Networking, Server, and Protection / Arch Linux Forums]		*[https://bbs.archlinux.org/viewtopic.php?id=171559 Excessive memory use with ZFS [SOLVED sort of] / Networking, Server, and Protection / Arch Linux Forums]
			*[https://forum.proxmox.com/threads/disable-zfs-arc-or-limiting-it.77845/ (1) Disable ZFS ARC or limiting it \| Proxmox Support Forum]

Gabriele.vivinetto at 18:00, 19 May 2018

2018-05-19T18:00:53Z

← Older revision		Revision as of 18:00, 19 May 2018
Line 2:		Line 2:
	* Se si vuole limitare, scommentare il valore voluto:		* Se si vuole limitare, scommentare il valore voluto:

	~~sudoedit /etc/modprobe.d/zfs.conf~~

	<pre>		<pre>
			cat <<EOFile \| sudo tee /etc/modprobe.d/zfs.conf
	#1GB		#1GB
	options zfs zfs_arc_max=1073741824		options zfs zfs_arc_max=1073741824
Line 10:		Line 11:
	#options zfs zfs_arc_max=3221225472		#options zfs zfs_arc_max=3221225472
	#options zfs zfs_arc_max=4294967296		#options zfs zfs_arc_max=4294967296
			EOFile
	</pre>		</pre>

			cat /etc/modprobe.d/zfs.conf

	* Aggiornare l'initird:		* Aggiornare l'initird:

Gabriele.vivinetto at 16:42, 6 June 2016

2016-06-06T16:42:56Z

@@ Line 4: / Line 4: @@
   sudoedit /etc/modprobe.d/zfs.conf
 #1GB
 options zfs zfs_arc_max=1073741824
@@ Line 9: / Line 10: @@
 #options zfs zfs_arc_max=3221225472
 #options zfs zfs_arc_max=4294967296

Gabriele.vivinetto: Created page with "* Zfs utilizza per la cache in lettura tutt ala Ram disponibile. * Se si vuole limitare, scommentare il valore voluto: sudoedit /etc/modprobe.d/zfs.conf #1GB options zfs zf..."

2016-06-06T16:38:45Z

Created page with "* Zfs utilizza per la cache in lettura tutt ala Ram disponibile. * Se si vuole limitare, scommentare il valore voluto: sudoedit /etc/modprobe.d/zfs.conf #1GB options zfs zf..."

New page

* Zfs utilizza per la cache in lettura tutt ala Ram disponibile.
* Se si vuole limitare, scommentare il valore voluto:

sudoedit /etc/modprobe.d/zfs.conf

#1GB
options zfs zfs_arc_max=1073741824
#options zfs zfs_arc_max=2147483648
#options zfs zfs_arc_max=3221225472
#options zfs zfs_arc_max=4294967296