[← Operator Map](../OPERATOR_MAP.md)

# janusgraph Runbook  
[Back to Operator Map](../OPERATOR_MAP.md)

- Ports: Gremlin WS 17002 (see `/data/adaptai/platform/dbops/ports.yaml`)
- Start/Stop: Supervisor runs `tools/render_janus_props.sh` (renders from secrets)
- Logs: stable `.../logs` symlink → `.../b/<host_id>/logs`
- Data: backend Scylla via HAProxy (`127.0.0.1:17542`) or local Scylla
- Health: `/data/adaptai/platform/dbops/run/health`
- RTC Checklist: disk>25%, deps green, smoke tests pass

Persistence and Namespacing
- Stable paths: `/data/adaptai/platform/dbops/{data,logs}`
- Backing paths: `/data/adaptai/platform/dbops/b/<host_id>/{data,logs}`
- Bootstrap: `tools/host_namespace_bootstrap.sh`

Backend Modes
- Default: `JANUS_BACKEND=scylla`, `SCYLLA_HOSTS=127.0.0.1:17542` (central via HAProxy)
- Isolated: provision local Scylla and set `SCYLLA_HOSTS=127.0.0.1:9042`