# Operations

> Operator pages for NYXDB — deployment, system relations, durability, storage, governance and limits.

These pages are for the people who run NYXDB.

## Start here

- [Deployment topologies](https://nyxdb.io/docs/operations/supported-boundaries/) — Nodes, tablets and replicas, and the checks before going live.
- [System relations](https://nyxdb.io/docs/operations/system-tables/) — The registered system relations and the permission each read needs.
- [Governance](https://nyxdb.io/docs/operations/governance/) — Principals, roles, grants and administrative permissions.
- [Durability](https://nyxdb.io/docs/operations/durability/) — Commit ownership, the write-ahead log and acknowledgement.
- [Storage](https://nyxdb.io/docs/operations/storage/) — Storage profiles, codecs and the default policy bindings.
- [Limits](https://nyxdb.io/docs/operations/limits/) — Request deadlines and named limits.

## Deploy and maintain

- [Configuration](https://nyxdb.io/docs/operations/configuration/) — The node configuration file and its keys.
- [Deployment](https://nyxdb.io/docs/operations/deployment/) — Running the node artifact.
- [Health and readiness](https://nyxdb.io/docs/operations/health-readiness/) — Probes for a running node.
- [Backup and recovery](https://nyxdb.io/docs/operations/backup-recovery/) — Backup and restore procedures.
- [Upgrade compatibility](https://nyxdb.io/docs/operations/upgrade-compatibility/) — Moving a data directory to a newer build.
- [Production checklist](https://nyxdb.io/docs/operations/production-checklist/) — The gates before and after go-live.

## Observe and respond

- [Metrics and events](https://nyxdb.io/docs/operations/metrics-events/) — Telemetry system relations and alerting.
- [Profiling](https://nyxdb.io/docs/operations/profiling/) — Finding where a query spends its time.
- [Troubleshooting](https://nyxdb.io/docs/operations/troubleshooting/) — Symptom-led diagnosis.

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Source: https://nyxdb.io/docs/operations/