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Disable libgit2 multi-threading #36

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merged 2 commits into from
Jul 31, 2022
Merged

Disable libgit2 multi-threading #36

merged 2 commits into from
Jul 31, 2022

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pjbgf
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@pjbgf pjbgf commented Jul 29, 2022

Some users are experiencing segfault issues in Flux controllers which seem to be related to internal git2go state being processed within a background thread.

Due to the shift into Managed Transport only, the concerns around multi-threading from a libgit2 seem to be less problematic
than otherwise, as the management of the transport will be handled by Go.

We are temporarily running a fork of git2go whilst we wait to see what will happen upstream (libgit2/git2go#918). We also added a check on make dev-test to ensure the libgit2 version we are consuming was built without thread support.

// of libgit2 without thread support to fix:
// fluxcd/image-automation-controller/#339.
//
// This can be removed once libgit2/git2go#918 is merged.
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Please link the current PR to the git2go one. We may want to move this fork under fluxcd org if it's not going to be accepted upstream.

Paulo Gomes added 2 commits July 31, 2022 11:33
Some users are experiencing segfault issues in Flux controllers
which seem to be related to internal git2go state processed within a
background thread.
Due to the shift into Managed Transport only, the concerns
around multi-threading from a libgit2 seem to be less problematic
than otherwise, as the management  of the transport will
be handled by Go.

fluxcd/image-automation-controller#339
https://github.com/libgit2/libgit2/blob/main/docs/threading.md

Signed-off-by: Paulo Gomes <[email protected]>
Signed-off-by: Paulo Gomes <[email protected]>
@pjbgf pjbgf merged commit 9465ace into fluxcd:main Jul 31, 2022
@pjbgf pjbgf deleted the no-thread branch July 31, 2022 10:43
@pjbgf pjbgf added this to the GA milestone Aug 3, 2022
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