[Bug 1627190] Re: livecd-rootfs: .pyc files stripped from desktop ISO livefs, makes python startup slower

[Launchpad Bug Tracker]

This bug was fixed in the package livecd-rootfs - 2.437

---------------
livecd-rootfs (2.437) zesty; urgency=medium

  * live-build/auto/config: Don't remove .pyc files any more - we don't care
    *that* much about the small space gain these days, and would prefer the
    speed win. (LP: #1627190)

 -- Iain Lane <iain.lane at canonical.com>  Fri, 04 Nov 2016 11:02:13 +0000

** Changed in: livecd-rootfs (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1627190

Title:
  livecd-rootfs: .pyc files stripped from desktop ISO livefs, makes
  python startup slower

Status in livecd-rootfs package in Ubuntu:
  Fix Released

Bug description:
  It seems we've had code in livecd-rootfs for roughly forever to strip
  .pyc files out of the squashfs included on desktop images.  There is
  an override to skip this for server and cloud images, but we
  discovered this recently because the missing .pyc files on ubuntu-core
  images causes very long start-up times for python apps on some armhf
  systems.

  So the question is, is this still a sensible optimization on Ubuntu
  Desktop images?  It was done at a time when space was tight; that's
  much less of a concern now than it was.

  If this does still make sense for Desktop, we should probably at least
  invert the logic to make this opt-in rather than opt-out so that new
  image types on ARM don't get caught out with the problem.

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