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| author | cdoern <cbdoer23@g.holycross.edu> | 2022-04-13 18:38:02 -0400 |
|---|---|---|
| committer | cdoern <cdoern@redhat.com> | 2022-04-14 10:40:29 -0400 |
| commit | f38b03d3752aa2a8fe1172b50b73cd5a33ae14ea (patch) | |
| tree | 6c3a6ef4a1fa84c53b0d1a3a21d7775effa404d7 /docs | |
| parent | 9822c46981226c3296b5ad7833d8937cfc3ece49 (diff) | |
| download | podman-f38b03d3752aa2a8fe1172b50b73cd5a33ae14ea.tar.gz podman-f38b03d3752aa2a8fe1172b50b73cd5a33ae14ea.tar.bz2 podman-f38b03d3752aa2a8fe1172b50b73cd5a33ae14ea.zip | |
Fix Memory Swappiness passing in Container Clone
`DefineCreateFlags` was excluding clone from using the memory-swappiness flag leading the value to be zero
when our deafult is -1. Rearrange the if/else to give clone these memory related options
resolves #13856
Signed-off-by: cdoern <cdoern@redhat.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/source/markdown/podman-container-clone.1.md | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/docs/source/markdown/podman-container-clone.1.md b/docs/source/markdown/podman-container-clone.1.md index eaf330373..b654aaa06 100644 --- a/docs/source/markdown/podman-container-clone.1.md +++ b/docs/source/markdown/podman-container-clone.1.md @@ -137,6 +137,33 @@ system's page size (the value would be very large, that's millions of trillions) If no memory limits are specified, the original container's will be used. +#### **--memory-reservation**=*limit* + +Memory soft limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kilobytes), m (megabytes), or g (gigabytes)) + +After setting memory reservation, when the system detects memory contention +or low memory, containers are forced to restrict their consumption to their +reservation. So you should always set the value below **--memory**, otherwise the +hard limit will take precedence. By default, memory reservation will be the same +as memory limit from the container being cloned. + +#### **--memory-swap**=*limit* + +A limit value equal to memory plus swap. Must be used with the **-m** +(**--memory**) flag. The swap `LIMIT` should always be larger than **-m** +(**--memory**) value. By default, the swap `LIMIT` will be set to double +the value of --memory if specified. Otherwise, the container being cloned will be used to derive the swap value. + +The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes), +`k` (kilobytes), `m` (megabytes), or `g` (gigabytes). If you don't specify a +unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap. + +#### **--memory-swappiness**=*number* + +Tune a container's memory swappiness behavior. Accepts an integer between 0 and 100. + +This flag is not supported on cgroups V2 systems. + #### **--name** Set a custom name for the cloned container. The default if not specified is of the syntax: **<ORIGINAL_NAME>-clone** |