[Bug 115774] Re: syslog.0 and kern.log.0 grow huge

[Marcello Romani]

I've been lucky enough to never experience this bug on my machines, but I'd like to provide my 2 cents about what could cause the issue.
The log rotation system seems to be configured to rotate once a day:

-rw-r-----  1 syslog            adm     125K 2011-09-13 17:15 syslog
-rw-r-----  1 syslog            adm      86K 2011-09-13 07:40 syslog.1
-rw-r-----  1 syslog            adm     3,7K 2011-09-12 07:45 syslog.2.gz
-rw-r-----  1 syslog            adm     3,9K 2011-09-11 08:05 syslog.3.gz
-rw-r-----  1 syslog            adm     5,0K 2011-09-10 07:35 syslog.4.gz
-rw-r-----  1 syslog            adm     4,5K 2011-09-09 08:00 syslog.5.gz
-rw-r-----  1 syslog            adm     4,5K 2011-09-08 08:05 syslog.6.gz
-rw-r-----  1 syslog            adm     6,9K 2011-09-07 08:00 syslog.7.gz

(this is from my personal machine)

If the rotation takes place once a day regardless of size, the logfile
can grow very big if there are many processes which generate a lot of
"noise".

HTH

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https://bugs.launchpad.net/bugs/115774

Title:
  syslog.0 and kern.log.0 grow huge

Status in “ubuntu-meta” package in Ubuntu:
  Confirmed

Bug description:
  These two log files recently grew to over 1 Gb each.  I only noticed
  when I booted up and X failed to start, giving a warming about not
  being able to write to /tmp.  I later discovered that this error was
  due to lack of partition space and that /var/log had become bloated.
  I deleted syslog.0 and kern.log.0 and all is well.  This bug may be
  related to Bug #71870.

  My kernel is 2.6.20-15-generic
  Version is Kubuntu 7.04
  My hard drive is partitioned thus:

  hda1 - WinXP (ntfs) - 10 Gb
  hda5 - windows user files (ntfs) - 30 Gb
  hda6 - / (ext3) - 7 Gb
  hda7 - swap - 2 Gb
  hda8 - user space (fat32) - 2 Gb
  hda9 - /home (ext3) - 25 Gb

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