[Bug 1409032] Re: gvfsd-smb: very high CPU utilisation

[Rashkae]

As well as removing hosts lookup in the smb.conf file (#29) you can also
prevent this behaviour by installing the libnss-winbind package and
adding wins to the hosts line in /etc/nsswitch.conf

Ex:

hosts:          files wins mdns4_minimal [NOTFOUND=return] dns

That should allow samba to find all the hosts it sees in broadcasts,
without sending the lookup to the broken dns server(s).

Alternatively, you an modify your search domain so you don't inherit an
internet domain from the router.

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https://bugs.launchpad.net/bugs/1409032

Title:
  gvfsd-smb: very high CPU utilisation

Status in gvfs package in Ubuntu:
  Confirmed
Status in samba package in Ubuntu:
  Confirmed
Status in samba package in Fedora:
  Unknown

Bug description:
  Example:

  I use Virtualbox and mount a .vdi on an SMB server. Using gvfsd-smb
  (browsing within Gnome to find the share), gvfsd-smb uses up to 50%
  CPU which slows down the entire system when accessing the network
  share. Mounting using sudo ($ sudo mount -t smbfs -o
  guest,nounix,noperm //server/share /media/share) so that cifs is used
  uses around 8% CPU. The difference is dramatic!

  If I didn't have sudo access my machine would grind to a halt when
  trying to use the remote share.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: gvfs-backends 1.12.1-0ubuntu1.2
  ProcVersionSignature: Ubuntu 3.11.0-26.45~precise1-generic 3.11.10.12
  Uname: Linux 3.11.0-26-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: i386
  Date: Fri Jan  9 14:32:20 2015
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: gvfs
  UpgradeStatus: Upgraded to precise on 2014-12-07 (33 days ago)

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