influxdb/server/tmpfs_wal.yml

parameters:
  _param:
    influxdb_home_directory: /var/lib/influxdb
    influxdb_wal_directory: ${_param:influxdb_home_directory}/wal
    influxdb_wal_size: 10%
  linux:
    system:
      user:
        influxdb:
          enabled: true
          system: true
          group: influxdb
          home: ${_param:influxdb_home_directory}
    storage:
      mount:
        tmpfs:
          enabled: true
          device: tmpfs
          file_system: tmpfs
          path: ${_param:influxdb_wal_directory}
          opts: size=${_param:influxdb_wal_size},rw
          user: influxdb
          group: influxdb
  influxdb:
    server:
      data:
        wal_dir: ${_param:influxdb_wal_directory}