[Bug 805423] Re: pam_motd performance problems

[Jan K.]

Hi,

i understand that you dont want to change the default. However i thing
the motd is really useful, because its pointing you to updates etc. So
disabling is rather a hack.

We would like to have an option to run the cronjobs again. This should
be clearly optional. Current behaviour is problematic, if you run busy
servers (especially with heavy IO like mapreduce jobs). Its really a
problem to use nagios check_by_ssh on some boxes and logging in manually
takes minutes.

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https://bugs.launchpad.net/bugs/805423

Title:
  pam_motd performance problems

Status in “pam” package in Ubuntu:
  Won't Fix

Bug description:
  1) lsb_release -rd
  Description:	Ubuntu 10.04.2 LTS
  Release:	10.04

  2)  Installiert: 1.1.1-2ubuntu5.3
    Kandidat: 1.1.1-2ubuntu5.3
    Versions-Tabelle:
   *** 1.1.1-2ubuntu5.3 0
          500 http://de.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
          500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages
          100 /var/lib/dpkg/status
       1.1.1-2ubuntu2 0
          500 http://de.archive.ubuntu.com/ubuntu/ lucid/main Packages

  3) Login on systems with high load/a lot of io wait via ssh should
  still be possible.

  4) On servers with high load or a lot of io wait login times out,
  because pam_motd does io intensive calculations. This hurts even more
  when using nagios check_by_ssh. There should be a way to use a cron
  job again (like update-motd did). Logging into a system is more
  important than motd.

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