[Bug 1190696] Re: updatedb.mlocate uses 100% of the hdd IO. The OS is completely unusable.

[Nec]

Hi,

I found out that playing with ionice nor nice did not improve anything
in that case. (that also was VERY severe to me)

The issue came from the fact that my computer mounts some remote
filesystems, and find and locate went exploring those distant folders.

I solved the problem by changing /etc/cron.daily/locate and adding the
"xdev" options to the find parameters.

# Global options for invocations of find(1)
FINDOPTIONS='-ignore_readdir_race -xdev'

Now, updates are still relevent, but cause no CPU harm nor wasted time
:)

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https://bugs.launchpad.net/bugs/1190696

Title:
  updatedb.mlocate uses 100% of the hdd IO.  The OS is completely
  unusable.

Status in “mlocate” package in Ubuntu:
  Confirmed

Bug description:
  updatedb.mlocate uses 100% of the hdd IO.  The OS is completely
  unusable.  This can go on for an hour.  I have been fighting with this
  on 3 separate computers for at least a month.

  A very old related bug:
  https://bugs.launchpad.net/ubuntu/+source/findutils/+bug/332790
  That bug was marked as fix released for Hardy.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: mlocate 0.25-0ubuntu2
  ProcVersionSignature: Ubuntu 3.8.0-23.34-generic 3.8.11
  Uname: Linux 3.8.0-23-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  Date: Thu Jun 13 08:11:38 2013
  InstallationDate: Installed on 2013-05-09 (34 days ago)
  InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: mlocate
  UpgradeStatus: No upgrade log present (probably fresh install)

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