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Any body know what is NanoCPUS in inspect node response and how is that value calculated? Thanks #24713

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cmingxu opened this issue Jul 16, 2016 · 3 comments
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Any body know what is NanoCPUS in inspect node response and how is that value calculated? Thanks #24713

cmingxu opened this issue Jul 16, 2016 · 3 comments
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@cmingxu
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cmingxu commented Jul 16, 2016

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@thaJeztah
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/cc @aluzzardi @sfsmithcha

@yongtang
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yongtang commented Jul 17, 2016 •
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@cmingxu Based on the calculation:
https://github.com/docker/docker/blob/v1.12.0-rc4/daemon/cluster/executor/container/container.go#L328-L332

resources.CPUQuota = r.Limits.NanoCPUs * resources.CPUPeriod / 1e9

, NanoCPUs is defined as the CPU shares in units of 1/1e9 (or 10^-9) of the CPU.

In other words, NanoCPUs is the number of nano (1/1e9) CPUs by a process.

@barrachri barrachri mentioned this issue Jun 25, 2017
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@lbguilherme
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This issue should be closed. This should be documented in https://docs.docker.com/engine/reference/commandline/service_create/#options (thus this issue is superseded by #30222)

@benbro benbro mentioned this issue Mar 29, 2018
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@cmingxu @lbguilherme @thaJeztah @yongtang