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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 29 Aug 2026
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Deploy self-hosted environments to production changedself-hosted-environments-deploy

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317317## Shutdown timing
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319On `SIGTERM`, the runner stops taking new work and, unless you set [`--defer-shutdown-max-min`](#defer-the-drain-past-the-first-signal), waits up to `--drain-wait-sec`, zero by default, for in-flight turns to finish, terminates each child process, and runs the [`post-session` lifecycle hook](/docs/en/self-hosted-environments-configuration#post-session). The full drain path needs up to `--session-stop-grace-sec` + `--drain-wait-sec` + `--post-session-hook-timeout-sec`, plus 15 seconds of fixed overhead for process cleanup, plus 30 more seconds when [`--push-outcome-on-release`](/docs/en/self-hosted-environments-reference#runner-cli-flags) is set. That is 80 seconds at defaults, and the runner logs the total at startup. Sessions drain in parallel under this one budget, so the total doesn't grow with `--capacity`.
319On `SIGTERM`, the runner stops taking new work and, unless you set [`--defer-shutdown-max-min`](#defer-the-drain-past-the-first-signal), waits up to `--drain-wait-sec`, zero by default, for in-flight turns to finish, terminates each session's process tree, and runs the [`post-session` lifecycle hook](/docs/en/self-hosted-environments-configuration#post-session). That process tree includes commands Claude was still running in the session.
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321The full drain path needs up to `--session-stop-grace-sec` + `--drain-wait-sec` + `--post-session-hook-timeout-sec`, plus 15 seconds of fixed overhead for process cleanup, plus 30 more seconds when [`--push-outcome-on-release`](/docs/en/self-hosted-environments-reference#runner-cli-flags) is set. That is 80 seconds at defaults, and the runner logs the total at startup. Sessions drain in parallel under this one budget, so the total doesn't grow with `--capacity`.
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321323At the default `--drain-wait-sec 0`, a rolling restart interrupts in-flight turns; each session resumes on another runner, losing unpushed work as described under [Known issues](#additional-limitations). Set `--drain-wait-sec`, and raise the grace period to match, to let turns finish first.
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