Self-hosted environments reference changedself-hosted-environments-reference
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33> Complete reference for the self-hosted runner and orchestrator: CLI flags, environment variables, and Prometheus metrics.
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55<Note>
6 Self-hosted environments are in public beta on Team and Enterprise plans; an [Owner or admin](/docs/en/cloud-environments#organization-shared-environments) enables them by turning on **Allow self-hosted environments** on the [**Cloud environments** admin page](https://claude.ai/admin-settings/cloud-environments). This page is the flag and metric reference; see the [quickstart](/docs/en/self-hosted-environments-quickstart) for setup and [Deploy to production](/docs/en/self-hosted-environments-deploy) for the fleet recipes.
6 Self-hosted environments are in public beta on Team and Enterprise plans; an [Owner](/docs/en/cloud-environments#organization-shared-environments) enables them by turning on **Allow self-hosted environments** on the [**Cloud environments** admin page](https://claude.ai/admin-settings/cloud-environments). This page is the flag and metric reference; see the [quickstart](/docs/en/self-hosted-environments-quickstart) for setup and [Deploy to production](/docs/en/self-hosted-environments-deploy) for the fleet recipes.
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99This page is the reference for the two processes you run in a [self-hosted environment](/docs/en/self-hosted-environments): the runner, which executes Claude Code [cloud sessions](/docs/en/claude-code-on-the-web) on your hosts, and the optional autoscaling orchestrator, which starts runners as sessions queue. Each has its own flag table. Both run on Linux or macOS hosts, which the defaults such as `/workspace` and `~/.claude` assume. Run `claude self-hosted-runner --help` for the authoritative list on your installed version.
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153153| `claude_code_self_hosted_orchestrator_poll_errors_total{error_kind}` | Cumulative PollSpawnHints failures by kind: `transport`, `timeout`, `5xx`, `429`, or `4xx`. All five series are present from process start; alert on `rate(...[5m]) > 0`. |
154154| `claude_code_self_hosted_orchestrator_queue_pending_sessions` | Spawn requests claimable right now |
155155| `claude_code_self_hosted_orchestrator_queue_backing_off_sessions` | Spawn requests in retry backoff after a retryable hook failure |
156| `claude_code_self_hosted_orchestrator_queue_circuit_broken_sessions` | Spawn requests blocked until an Owner or admin retries them from the environment's **Activity** tab; alert if above zero |
156| `claude_code_self_hosted_orchestrator_queue_circuit_broken_sessions` | Spawn requests blocked until an Owner retries them from the environment's **Activity** tab; alert if above zero |
157157| `claude_code_self_hosted_orchestrator_pool_pending_sessions` | Total sessions waiting on a runner for this environment. Environment-wide aggregate, identical on every orchestrator instance: use `MAX` rather than `SUM` across instances. |
158158| `claude_code_self_hosted_orchestrator_pool_active_sessions` | Sessions currently assigned to an alive runner in this environment. Environment-wide aggregate, identical on every orchestrator instance: use `MAX` rather than `SUM` across instances. |
159159| `claude_code_self_hosted_orchestrator_spawn_hooks_total{result}` | Cumulative `spawn-runner` hook outcomes: `ok`, `retryable`, `non_retryable`. Counts orchestrator hook invocations, not session children the runners spawn: not comparable to `sessions_started_total`, since capacity above one, warm pools, and runners spawned again for the same session all diverge the two. |
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