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Windows: Revert 27884#28505

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vieux merged 1 commit intomoby:masterfrom
microsoft:jjh/revert27884
Nov 17, 2016
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Windows: Revert 27884#28505
vieux merged 1 commit intomoby:masterfrom
microsoft:jjh/revert27884

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@lowenna
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@lowenna lowenna commented Nov 16, 2016

Signed-off-by: John Howard [email protected]

@vieux @thaJeztah @swernli Unfortunately, our perf team have found that the fix to #27884 significantly regresses performance. This needs to be backed out of 1.13 as well. A mount/unmount for each create call is too expensive. We have an alternate solution, but it's a larger change. Still hoping I can get the new change finished and into 1.13.

I will re-activate the original issue until I have the new fix. #27545

@duglin @MichaelSimons @StefanScherer FYI

Signed-off-by: John Howard <[email protected]>
@swernli
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swernli commented Nov 16, 2016

LGTM

@duglin
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duglin commented Nov 16, 2016

LGTM once janky if happy

@cpuguy83
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btw, this re-introduces an inconsistency in handling COPY in the Dockerfile.

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lowenna commented Nov 16, 2016

@cpuguy83 Yes, fully understood - hence why I reactivated the issue. I'm working on an alternate fix, but as I say, it's more invasive.

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vieux commented Nov 17, 2016

LGTM

@vieux vieux merged commit 956ff8f into moby:master Nov 17, 2016
@lowenna lowenna deleted the jjh/revert27884 branch November 17, 2016 02:38
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6 participants