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Avoid using pargzip for compression #558

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merged 1 commit into from
Jul 22, 2023

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jonjohnsonjr
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Switching from pargzip to pgzip showed much better efficiency over in apko, so let's do the same here to see if it frees up any resources during megabuilds.

For smaller sections (control and signature), this just uses klauspost's gzip implementation instead of pgzip since don't need parallel compression for such tiny inputs.

This will change the hashes of APKs because the compression will be different, but I don't believe we rely on reproducibility in melange.

Switching from pargzip to pgzip showed much better efficiency over in
apko, so let's do the same here to see if it frees up any resources
during megabuilds.

For smaller sections (control and signature), this just uses klauspost's
gzip implementation instead of pgzip since don't need parallel
compression for such tiny inputs.

This will change the hashes of APKs because the compression will be
different, but I don't believe we rely on reproducibility in melange.

Signed-off-by: Jon Johnson <[email protected]>
@jonjohnsonjr jonjohnsonjr requested a review from a team as a code owner July 21, 2023 23:49
@jonjohnsonjr jonjohnsonjr requested review from luhring and removed request for a team July 21, 2023 23:49
@mattmoor mattmoor merged commit f7590fc into chainguard-dev:main Jul 22, 2023
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2 participants