Limitare l'uso della Ram da parte di ZFS: Difference between revisions

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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..."
 
mNo edit summary
Line 4: Line 4:
  sudoedit /etc/modprobe.d/zfs.conf
  sudoedit /etc/modprobe.d/zfs.conf


<pre>
#1GB
#1GB
options zfs zfs_arc_max=1073741824
options zfs zfs_arc_max=1073741824
Line 9: Line 10:
#options zfs zfs_arc_max=3221225472
#options zfs zfs_arc_max=3221225472
#options zfs zfs_arc_max=4294967296
#options zfs zfs_arc_max=4294967296
</pre>
* Aggiornare l'initird:
sudo update-initramfs -u -k all
* Fare reboot, o impostare manualmente:
echo "1073741824" | sudo tee /sys/module/zfs/parameters/zfs_arc_max
* Verificare:
cat  /sys/module/zfs/parameters/zfs_arc_max
1073741824
=Riferimenti=
*[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]

Revision as of 16:42, 6 June 2016

  • 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
  • Aggiornare l'initird:
sudo update-initramfs -u -k all
  • Fare reboot, o impostare manualmente:
echo "1073741824" | sudo tee /sys/module/zfs/parameters/zfs_arc_max
  • Verificare:
cat  /sys/module/zfs/parameters/zfs_arc_max

1073741824

Riferimenti

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