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Re: [PATCH 2/2] system: Add btrfs file system support.
From: |
Ludovic Courtès |
Subject: |
Re: [PATCH 2/2] system: Add btrfs file system support. |
Date: |
Sat, 03 Dec 2016 16:21:58 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
Chris Marusich <address@hidden> skribis:
> David Craven <address@hidden> writes:
>
>> Ludo: Is there any way we can speed up the installer system tests? :)
>
> I've also wondered about this. I'm not sure how long each test takes to
> run, so an analysis of the tests to find their slow areas might help
> guide us. I suspect that we could probably speed up the tests by using
> a shared test fixture of some kind (e.g., a common store, or a base qemu
> disk image [1], which could be used by multiple tests), but first we'd
> need to know which part(s) are slow.
Tests that use ‘system-qemu-image/shared-store-script’ (basic, mcron,
openssh, etc.) are relatively fast.
However, the installation tests have to use a real (full, standalone)
image for the installation disk, and also for the target disk.
Otherwise we wouldn’t be testing the same thing.
> Another possibility might be to parallelize the tests (I don't think the
> system tests are done in parallel right now, even if you specify "make
> -j", but someone correct me if I'm wrong), but that could be
> counter-productive if it took up too many system resources.
They are derivation builds, so they are performed in parallel according
to --max-jobs.
Thanks,
Ludo’.