[Bug 1858777] Re: Processing triggers for man-db lasting extremely long

[SergeiS]

I've got so annoyed by slow man-db updates, so I actually took time to
look for the solution. It takes good 40 seconds on my otherwise super
duper fast machine.

 root  ~  ls -lh /var/lib/man-db/auto-update
-rw-r--r-- 1 root root 0 Nov  5  2018 /var/lib/man-db/auto-update
 root  ~  cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Linux Lite 4.0"
 root  ~  dpkg -l man-db
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                            Version              Architecture         Description
+++-===============================-====================-====================-====================================================================
ii  man-db                          2.8.3-2ubuntu0.1     amd64                on-line manual pager

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https://bugs.launchpad.net/bugs/1858777

Title:
  Processing triggers for man-db lasting extremely long

Status in man-db package in Ubuntu:
  Confirmed

Bug description:
  Installing any package is triggering man-db and it is taking 1 minute
  or more to complete stucking at following message:

  Processing triggers for man-db (2.9.0-2) ...

  There is no further message in journal or anywhere giving a clue about
  an underlying problem. The system is hosted on a SSD. During waiting
  time there is no process running high.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: man-db 2.9.0-2
  ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10
  Uname: Linux 5.3.0-24-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu15
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jan  8 11:13:00 2020
  InstallationDate: Installed on 2019-12-19 (20 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  SourcePackage: man-db
  UpgradeStatus: Upgraded to focal on 2019-12-21 (17 days ago)

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