Public bug reported:
When you copy two files (or two set of files) from or to the same disk
separately, so that you have two copying progress bars and estimates and
one copying process is dealing with an amount of data larger than the
other, nautilus calculates the estimate as if both copying processes
were going to be running simultaneously until copying is complete, which
is not true. Once the smaller set of files finishes, the larger one will
get its full speed back and finish sooner than the first estimate
actually predicted.
My suggestion: Nautilus should be aware that the second file copy is
slowing the first one down, so it should calculate the first's estimate
as something like: <estimate for the smaller set of files copy to
finish> + <estimate time to copy the amount of data that will be left
when the second process ends at both processes speed combined>.
Although this approach may look too simplistic, I think it's better than
the rather pessimistic approach we're using right now.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nautilus 1:3.2.1-0ubuntu3.2
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
Uname: Linux 3.0.0-14-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Fri Dec 9 07:42:49 2011
ExecutablePath: /usr/bin/nautilus
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
SourcePackage: nautilus
UpgradeStatus: Upgraded to oneiric on 2011-10-27 (42 days ago)
** Affects: nautilus (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug apport-lpi i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/902095
Title:
Copying remaining time estimate is not accurate when doing multiple
copies
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