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[question] Nomad docker use swap #1687

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jtuthehien opened this issue Sep 5, 2016 · 2 comments
Closed

[question] Nomad docker use swap #1687

jtuthehien opened this issue Sep 5, 2016 · 2 comments

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@jtuthehien
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Hi.
According to the documentation:

Nomad limits containers' memory usage based on total virtual memory. This means that containers scheduled by Nomad cannot use swap. This is to ensure that a swappy process does not degrade performance for other workloads on the same host.

However, it doesnt seem to be the case. When running out of memory, the docker container is still using the host's swap memory

@dadgar
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dadgar commented Sep 12, 2016

Hey,

What version of Nomad are you running. There was a bug that was fixed in 0.4.1 (https://github.com/hashicorp/nomad/blob/master/CHANGELOG.md). #1480

If you were running < 0.4.1 can you please close this issue

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