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author | Charlie Doern <cdoern@redhat.com> | 2022-08-09 09:25:03 -0400 |
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committer | Charlie Doern <cdoern@redhat.com> | 2022-09-01 13:02:01 -0400 |
commit | 050f3291b9ef8788510b78c543055638275eb20f (patch) | |
tree | 327a081bd2243ffcbdf786a940b1dc82d041bea5 /docs/source/markdown/podman-container-clone.1.md.in | |
parent | 0085fbb488eec30e71e6cced6a06dbdb134e32a6 (diff) | |
download | podman-050f3291b9ef8788510b78c543055638275eb20f.tar.gz podman-050f3291b9ef8788510b78c543055638275eb20f.tar.bz2 podman-050f3291b9ef8788510b78c543055638275eb20f.zip |
implement podman update
podman update allows users to change the cgroup configuration of an existing container using the already defined resource limits flags
from podman create/run. The supported flags in crun are:
this command is also now supported in the libpod api via the /libpod/containers/<CID>/update endpoint where
the resource limits are passed inthe request body and follow the OCI resource spec format
–memory
–cpus
–cpuset-cpus
–cpuset-mems
–memory-swap
–memory-reservation
–cpu-shares
–cpu-quota
–cpu-period
–blkio-weight
–cpu-rt-period
–cpu-rt-runtime
-device-read-bps
-device-write-bps
-device-read-iops
-device-write-iops
-memory-swappiness
-blkio-weight-device
resolves #15067
Signed-off-by: Charlie Doern <cdoern@redhat.com>
Diffstat (limited to 'docs/source/markdown/podman-container-clone.1.md.in')
-rw-r--r-- | docs/source/markdown/podman-container-clone.1.md.in | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/docs/source/markdown/podman-container-clone.1.md.in b/docs/source/markdown/podman-container-clone.1.md.in index 26f414b62..3e31389d2 100644 --- a/docs/source/markdown/podman-container-clone.1.md.in +++ b/docs/source/markdown/podman-container-clone.1.md.in @@ -52,36 +52,18 @@ If none are specified, the original container's CPU memory nodes are used. @@option destroy -#### **--device-read-bps**=*path* +@@option device-read-bps -Limit read rate (bytes per second) from a device (e.g. --device-read-bps=/dev/sda:1mb). - -This option is not supported on cgroups V1 rootless systems. - -#### **--device-write-bps**=*path* - -Limit write rate (bytes per second) to a device (e.g. --device-write-bps=/dev/sda:1mb) - -This option is not supported on cgroups V1 rootless systems. +@@option device-write-bps #### **--force**, **-f** Force removal of the original container that we are cloning. Can only be used in conjunction with **--destroy**. -#### **--memory**, **-m**=*limit* - -Memory limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes), m (mebibytes), or g (gibibytes)) - -Allows the memory available to a container to be constrained. If the host -supports swap memory, then the **-m** memory setting can be larger than physical -RAM. If a limit of 0 is specified (not using **-m**), the container's memory is -not limited. The actual limit may be rounded up to a multiple of the operating -system's page size (the value would be very large, that's millions of trillions). +@@option memory If no memory limits are specified, the original container's will be used. -This option is not supported on cgroups V1 rootless systems. - #### **--memory-reservation**=*limit* Memory soft limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes), m (mebibytes), or g (gibibytes)) @@ -92,8 +74,6 @@ reservation. So you should always set the value below **--memory**, otherwise th hard limit will take precedence. By default, memory reservation will be the same as memory limit from the container being cloned. -This option is not supported on cgroups V1 rootless systems. - #### **--memory-swap**=*limit* A limit value equal to memory plus swap. Must be used with the **-m** |