I am running Ubuntu 14.04 fully updated. If left installed, mediascanner2.0 will at some point consume 100% of at least one core and multiply the access time to any HDD by a factor of five or more. Here is a thread from February at AskUbuntu:
http://askubuntu.com/q/587489/177437 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mediascanner2 in Ubuntu. https://bugs.launchpad.net/bugs/1294303 Title: Mediascanner-service-2 process is killing HD and consumes lot of CPU Status in Media Scanner v2: Fix Released Status in mediascanner2 package in Ubuntu: Fix Released Bug description: I just connected external USB harddrive, when mediascanner-service-2 start scanning (?) over 15 min - even after unplug USB HD. CPU usage was very high (min 50%, sometimes 100%). ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: mediascanner2.0 0.100+14.04.20140314-0ubuntu1 ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6 Uname: Linux 3.13.0-18-generic i686 ApportVersion: 2.13.3-0ubuntu1 Architecture: i386 CurrentDesktop: Unity Date: Tue Mar 18 20:06:06 2014 SourcePackage: mediascanner2 UpgradeStatus: Upgraded to trusty on 2013-11-26 (111 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/mediascanner2/+bug/1294303/+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