diff options
Diffstat (limited to 'docs/source/markdown/options')
| -rw-r--r-- | docs/source/markdown/options/device-read-bps.md | 5 | ||||
| -rw-r--r-- | docs/source/markdown/options/device-read-iops.md | 5 | ||||
| -rw-r--r-- | docs/source/markdown/options/device-write-bps.md | 5 | ||||
| -rw-r--r-- | docs/source/markdown/options/device-write-iops.md | 5 | ||||
| -rw-r--r-- | docs/source/markdown/options/memory-reservation.md | 11 | ||||
| -rw-r--r-- | docs/source/markdown/options/memory-swap.md | 13 | ||||
| -rw-r--r-- | docs/source/markdown/options/memory.md | 11 |
7 files changed, 55 insertions, 0 deletions
diff --git a/docs/source/markdown/options/device-read-bps.md b/docs/source/markdown/options/device-read-bps.md new file mode 100644 index 000000000..e0c610061 --- /dev/null +++ b/docs/source/markdown/options/device-read-bps.md @@ -0,0 +1,5 @@ +#### **--device-read-bps**=*path:rate* + +Limit read rate (in bytes per second) from a device (e.g. **--device-read-bps=/dev/sda:1mb**). + +This option is not supported on cgroups V1 rootless systems. diff --git a/docs/source/markdown/options/device-read-iops.md b/docs/source/markdown/options/device-read-iops.md new file mode 100644 index 000000000..9cd0f9030 --- /dev/null +++ b/docs/source/markdown/options/device-read-iops.md @@ -0,0 +1,5 @@ +#### **--device-read-iops**=*path:rate* + +Limit read rate (in IO operations per second) from a device (e.g. **--device-read-iops=/dev/sda:1000**). + +This option is not supported on cgroups V1 rootless systems. diff --git a/docs/source/markdown/options/device-write-bps.md b/docs/source/markdown/options/device-write-bps.md new file mode 100644 index 000000000..3dacc4515 --- /dev/null +++ b/docs/source/markdown/options/device-write-bps.md @@ -0,0 +1,5 @@ +#### **--device-write-bps**=*path:rate* + +Limit write rate (in bytes per second) to a device (e.g. **--device-write-bps=/dev/sda:1mb**). + +This option is not supported on cgroups V1 rootless systems. diff --git a/docs/source/markdown/options/device-write-iops.md b/docs/source/markdown/options/device-write-iops.md new file mode 100644 index 000000000..cf5ce3859 --- /dev/null +++ b/docs/source/markdown/options/device-write-iops.md @@ -0,0 +1,5 @@ +#### **--device-write-iops**=*path:rate* + +Limit write rate (in IO operations per second) to a device (e.g. **--device-write-iops=/dev/sda:1000**). + +This option is not supported on cgroups V1 rootless systems. diff --git a/docs/source/markdown/options/memory-reservation.md b/docs/source/markdown/options/memory-reservation.md new file mode 100644 index 000000000..410f1dd7c --- /dev/null +++ b/docs/source/markdown/options/memory-reservation.md @@ -0,0 +1,11 @@ +#### **--memory-reservation**=*number[unit]* + +Memory soft limit. A _unit_ can be **b** (bytes), **k** (kibibytes), **m** (mebibytes), or **g** (gibibytes). + +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. + +This option is not supported on cgroups V1 rootless systems. diff --git a/docs/source/markdown/options/memory-swap.md b/docs/source/markdown/options/memory-swap.md new file mode 100644 index 000000000..08ee8b1a0 --- /dev/null +++ b/docs/source/markdown/options/memory-swap.md @@ -0,0 +1,13 @@ +#### **--memory-swap**=*number[unit]* + +A limit value equal to memory plus swap. +A _unit_ can be **b** (bytes), **k** (kibibytes), **m** (mebibytes), or **g** (gibibytes). + +Must be used with the **-m** (**--memory**) flag. +The argument value should always be larger than that of + **-m** (**--memory**) By default, it is set to double +the value of **--memory**. + +Set _number_ to **-1** to enable unlimited swap. + +This option is not supported on cgroups V1 rootless systems. diff --git a/docs/source/markdown/options/memory.md b/docs/source/markdown/options/memory.md new file mode 100644 index 000000000..1be9159c3 --- /dev/null +++ b/docs/source/markdown/options/memory.md @@ -0,0 +1,11 @@ +#### **--memory**, **-m**=*number[unit]* + +Memory limit. A _unit_ can be **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). + +This option is not supported on cgroups V1 rootless systems. |