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40 lines
1.9 KiB
Markdown
40 lines
1.9 KiB
Markdown
# Shared runtime source candidate (SDK >=0.7.4)
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This source declares `sharedRuntime: shared-runtime-v1` and `componentModel: stateless-v1`.
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It is source-reviewed for the multi-tenant contract; it is **not certified** and makes no
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claim of live tenant acceptance.
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## Worker-scoped readings (not per-tenant)
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Every value this command reports describes the **shared plugin worker** — its process and its
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host — and is identical for all installations served by that worker:
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- process RSS (`psutil.Process(os.getpid())`),
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- host memory (`virtual_memory`) and host disk (`disk_usage('/')`),
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- host CPU times, usage, logical/physical core count and current frequency.
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None of it is tenant data and none of it is read from the calling installation's
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configuration. It is intentionally exposed as worker/host status; treat it as operational
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metadata for whoever can invoke the command, not as isolation between tenants.
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## Non-blocking collection
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- `psutil.cpu_percent(interval=None)` is used: it returns immediately with the delta since
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the previous call instead of sleeping for a one-second sample window.
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- The whole collection is offloaded with `await asyncio.to_thread(_collect_status)`, so disk
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or procfs syscalls cannot stall overlapping invocations from other tenants.
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## Per-invocation vs process state
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- The command component is stateless: it reads no config and stores nothing on `self`.
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- There is no binding-keyed cache, so `on_installation_revoked` needs no work here.
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## Known limits
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- Values are host-wide and shared across installations on the same worker; a tenant that is
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not permitted to see host statistics must not be granted this command.
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- The first `cpu_percent(interval=None)` after a worker restart can report `0.00%` until a
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second sample establishes the delta.
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- No claim of certification; independent review and two-Workspace invocation acceptance are
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still required.
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