[Bug 1461652] [NEW] dpkg-deb slow when building large packages

[Dan Kegel]

Public bug reported:

Building a 100 megabyte -dbg package (don't laugh, debugging symbols can get quite large)
takes an extra five to ten minutes in dpkg-deb.  ps shows e.g.

USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
dank      6207 99.6  0.7 114984 95736 pts/31   R+   11:11   5:00 dpkg-deb --build debian/foo-dbg ..

This is nothing new, but it is always irritating.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: dpkg 1.17.5ubuntu5.4
ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
Uname: Linux 3.13.0-53-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Jun  3 11:19:12 2015
SourcePackage: dpkg
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: dpkg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1461652

Title:
  dpkg-deb slow when building large packages

Status in dpkg package in Ubuntu:
  New

Bug description:
  Building a 100 megabyte -dbg package (don't laugh, debugging symbols can get quite large)
  takes an extra five to ten minutes in dpkg-deb.  ps shows e.g.

  USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
  dank      6207 99.6  0.7 114984 95736 pts/31   R+   11:11   5:00 dpkg-deb --build debian/foo-dbg ..

  This is nothing new, but it is always irritating.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: dpkg 1.17.5ubuntu5.4
  ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
  Uname: Linux 3.13.0-53-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Jun  3 11:19:12 2015
  SourcePackage: dpkg
  UpgradeStatus: No upgrade log present (probably fresh install)

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