diff options
Diffstat (limited to 'docs/source/markdown')
| -rw-r--r-- | docs/source/markdown/podman-build.1.md | 14 | ||||
| -rw-r--r-- | docs/source/markdown/podman-create.1.md | 18 | ||||
| -rw-r--r-- | docs/source/markdown/podman-run.1.md | 16 |
3 files changed, 30 insertions, 18 deletions
diff --git a/docs/source/markdown/podman-build.1.md b/docs/source/markdown/podman-build.1.md index 83fc5f4ff..f1fddb2fc 100644 --- a/docs/source/markdown/podman-build.1.md +++ b/docs/source/markdown/podman-build.1.md @@ -111,9 +111,10 @@ network namespaces can be found. **--cpu-period**=*limit* -Limit the CPU CFS (Completely Fair Scheduler) period - -Limit the container's CPU usage. This flag tell the kernel to restrict the container's CPU usage to the period you specify. +Set the CPU period for the Completely Fair Scheduler (CFS), which is a +duration in microseconds. Once the container's CPU quota is used up, it will +not be scheduled to run until the current period ends. Defaults to 100000 +microseconds. On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see @@ -121,11 +122,12 @@ https://github.com/containers/podman/blob/master/troubleshooting.md#26-running-c **--cpu-quota**=*limit* -Limit the CPU CFS (Completely Fair Scheduler) quota +Limit the CPU Completely Fair Scheduler (CFS) quota. Limit the container's CPU usage. By default, containers run with the full -CPU resource. This flag tell the kernel to restrict the container's CPU usage -to the quota you specify. +CPU resource. The limit is a number in microseconds. If you provide a number, +the container will be allowed to use that much CPU time until the CPU period +ends (controllable via **--cpu-period**). On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md index a5622e0df..c7e00f594 100644 --- a/docs/source/markdown/podman-create.1.md +++ b/docs/source/markdown/podman-create.1.md @@ -103,9 +103,10 @@ Write the pid of the `conmon` process to a file. `conmon` runs in a separate pro **--cpu-period**=*limit* -Limit the CPU CFS (Completely Fair Scheduler) period - -Limit the container's CPU usage. This flag tell the kernel to restrict the container's CPU usage to the period you specify. +Set the CPU period for the Completely Fair Scheduler (CFS), which is a +duration in microseconds. Once the container's CPU quota is used up, it will +not be scheduled to run until the current period ends. Defaults to 100000 +microseconds. On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see @@ -113,11 +114,12 @@ https://github.com/containers/podman/blob/master/troubleshooting.md#26-running-c **--cpu-quota**=*limit* -Limit the CPU CFS (Completely Fair Scheduler) quota +Limit the CPU Completely Fair Scheduler (CFS) quota. Limit the container's CPU usage. By default, containers run with the full -CPU resource. This flag tell the kernel to restrict the container's CPU usage -to the quota you specify. +CPU resource. The limit is a number in microseconds. If you provide a number, +the container will be allowed to use that much CPU time until the CPU period +ends (controllable via **--cpu-period**). On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see @@ -177,7 +179,9 @@ PID container CPU CPU share **--cpus**=*number* -Number of CPUs. The default is *0.0* which means no limit. +Number of CPUs. The default is *0.0* which means no limit. This is shorthand +for **--cpu-period** and **--cpu-quota**, so you may only set either +**--cpus** or **--cpu-period** and **--cpu-quota**. On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md index f46c0009e..aad179957 100644 --- a/docs/source/markdown/podman-run.1.md +++ b/docs/source/markdown/podman-run.1.md @@ -118,7 +118,10 @@ Write the pid of the **conmon** process to a file. As **conmon** runs in a separ **--cpu-period**=*limit* -Limit the container's CPU usage by setting CPU CFS (Completely Fair Scheduler) period. +Set the CPU period for the Completely Fair Scheduler (CFS), which is a +duration in microseconds. Once the container's CPU quota is used up, it will +not be scheduled to run until the current period ends. Defaults to 100000 +microseconds. On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see @@ -126,11 +129,12 @@ https://github.com/containers/podman/blob/master/troubleshooting.md#26-running-c **--cpu-quota**=*limit* -Limit the CPU CFS (Completely Fair Scheduler) quota. +Limit the CPU Completely Fair Scheduler (CFS) quota. Limit the container's CPU usage. By default, containers run with the full -CPU resource. This flag tell the kernel to restrict the container's CPU usage -to the quota you specify. +CPU resource. The limit is a number in microseconds. If you provide a number, +the container will be allowed to use that much CPU time until the CPU period +ends (controllable via **--cpu-period**). On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see @@ -188,7 +192,9 @@ division of CPU shares: **--cpus**=*number* -Number of CPUs. The default is *0.0* which means no limit. +Number of CPUs. The default is *0.0* which means no limit. This is shorthand +for **--cpu-period** and **--cpu-quota**, so you may only set either +**--cpus** or **--cpu-period** and **--cpu-quota**. On some systems, changing the CPU limits may not be allowed for non-root users. For more details, see |