systemd · Example Payload

Systemd1 Starttransient Example

Create a transient .scope unit on the fly that wraps an existing PID, applying a cgroup memory limit and CPU weight. This is how systemd-run, nspawn, and login session managers register processes with PID 1.

BootCgroupsContainerD-BusInitIPCJournalLinuxLoggingNetworkOpen SourcePID 1Service ManagerSystemSystemdVarlink

Systemd1 Starttransient Example is an example object payload from systemd, with 4 top-level fields. It illustrates the shape of data this provider's APIs accept or return.

Top-level fields

operationdescriptionrequestresponse

Example Payload

Raw ↑
{
  "operation": "StartTransientUnit",
  "description": "Create a transient .scope unit on the fly that wraps an existing PID, applying a cgroup memory limit and CPU weight. This is how systemd-run, nspawn, and login session managers register processes with PID 1.",
  "request": {
    "name": "my-task.scope",
    "mode": "replace",
    "properties": {
      "Description": "Ad-hoc scope for background indexing job",
      "PIDs": [12345],
      "MemoryMax": 2147483648,
      "CPUWeight": 50,
      "Slice": "user.slice"
    },
    "aux": []
  },
  "response": {
    "path": "/org/freedesktop/systemd1/job/4812"
  }
}