This has been a disk muncher for over a year now. The way I know the update is running through mime database is I hear my disks going into grinding mode.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to shared-mime-info in Ubuntu. https://bugs.launchpad.net/bugs/1816674 Title: Update-mime-database is getting very slow during apps installation Status in shared-mime-info package in Ubuntu: Confirmed Bug description: The installation of some apps has become very slow due to the update- mime-database command that takes up a lot of time. ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: shared-mime-info 1.10-1 ProcVersionSignature: Ubuntu 4.18.0-15.16-generic 4.18.20 Uname: Linux 4.18.0-15-generic x86_64 ApportVersion: 2.20.10-0ubuntu13.2 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue Feb 19 22:37:53 2019 InstallationDate: Installed on 2019-01-16 (34 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash SourcePackage: shared-mime-info UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shared-mime-info/+bug/1816674/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp