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ADR 0129: Metrics: host-side VMM RSS and CPU, 5 s sampling, 10-minute in-memory ring, SSE samples carry no id

  • Status: Accepted
  • Date: 2026-11-04
  • Ledger id: D-0129
  • Tags: contracts, m4
  • Supersedes: none
  • Superseded by: none
  • Related: none

Context

No guest agent; nothing stored or replicated (ADR 0014)

Decision

Metrics: host-side VMM RSS and CPU, 5 s sampling, 10-minute in-memory ring, SSE samples carry no id.

Reconnecting clients re-read history from the GET endpoint.

Consequences

  • This decision is binding for all contributors and agents. Changing it requires a new ADR approved by the maintainer (see ADR 0036).

Generated from decision D-0129 in the project decision ledger. Do not edit by hand; changes go through a new decision.