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| author | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2025-04-30 16:38:15 +0900 |
|---|---|---|
| committer | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2025-04-30 17:14:24 +0900 |
| commit | a0941c14ef185d3d177ad132385992c1b7d36818 (patch) | |
| tree | 3d1765982564fbbcb420e9cbb9f702638981193f | |
| parent | ca8a0f4d1bca745f34c5b8120b9f346eee79ff14 (diff) | |
| download | guix-a0941c14ef185d3d177ad132385992c1b7d36818.tar.gz guix-a0941c14ef185d3d177ad132385992c1b7d36818.zip | |
image: Create zstd-compressed qcow2 images.
This should be about twice as fast as the default zlib compressor used for
qcow2, and potentially multi-thread aware given some improvements to qemu-img
in the future (zstd supports its but it's not currently used by QEMU).
* gnu/build/image.scm (convert-disk-image): Specify 'compression_type=zstd'
option.
Change-Id: Ie9c66f0c13e789ec863c95a5e549f035b6a17bf9
| -rw-r--r-- | gnu/build/image.scm | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gnu/build/image.scm b/gnu/build/image.scm index e6cc2d0640..2eb2ebd217 100644 --- a/gnu/build/image.scm +++ b/gnu/build/image.scm @@ -181,6 +181,7 @@ ROOT directory to populate the image." ;; The maximum number of co-routines is 16. "-m" (number->string (min 16 (parallel-job-count))) "-O" "qcow2" + "-o" "compression_type=zstd" image output)) (else (copy-file image output)))) |