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Negative Latency on MacOS Docker #353

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levesquejf opened this issue Jun 24, 2020 · 0 comments
Open

Negative Latency on MacOS Docker #353

levesquejf opened this issue Jun 24, 2020 · 0 comments

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@levesquejf
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When using MTR inside a Docker container on MacOS, it's possible to have negative latency values.

The MTR command used is mtr -4 -i 0.2 -c 20 --json google.com.

Maybe this is related to the way Docker deals with the clock on MacOS: https://www.docker.com/blog/addressing-time-drift-in-docker-desktop-for-mac/

I thought the PR #281 about the monotonic clock would solve the issue but it's not working.

A reproducer is available at https://github.com/levesquejf/mtr-bug-negative-latency

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