platform/dbops/docs/runbooks/janusgraph.md

← Operator Map

janusgraph Runbook

Back to Operator Map

• 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