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[Qemu-devel] [Bug 601946] Re: [Feature request] qemu-img multi-threaded


From: oernii
Subject: [Qemu-devel] [Bug 601946] Re: [Feature request] qemu-img multi-threaded compressed image conversion
Date: Sat, 01 Feb 2014 12:07:26 -0000

I'd like to note, that I use qemu-img to backup snapshots of images.
This works fine, it's just so slow. Of my 24 cores only 1 is used to
compress the image.

It could be so much faster.

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https://bugs.launchpad.net/bugs/601946

Title:
  [Feature request] qemu-img multi-threaded compressed image conversion

Status in QEMU:
  New

Bug description:
  Feature request:
  qemu-img multi-threaded compressed image conversion

  Suppose I want to convert raw image to compressed qcow2. Multi-
  threaded conversion will be much faster, because bottleneck is
  compressing data.

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