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c2eda92fd0
Four hot-path consumers paid a full config deepcopy per read: - telemetry gate relay_shared_metrics.enabled() — runs 2-3x per agent turn (2x per API call from lifecycle hooks + 1x per tool call) and called read_raw_config(), which deepcopies the whole raw config every call. New read_raw_config_readonly() serves the cached dict directly: 248 us -> 4.6 us per call (54x) on Teknium's real 77-key config. - interruptible_streaming_api_call local-endpoint stale-timeout branch called load_config() once per API call for every local-model user. - gateway get_inbound_media_max_bytes() + _get_ephemeral_system_ttl_default() called load_config() on per-message paths. All three switched to load_config_readonly() (345 us -> 12 us; PR #28866 lineage). Together these account for ~90% of the ~1,900 deepcopy primitives per turn measured in the 26-call stubbed-LLM profile. read_raw_config_readonly() keeps the (mtime_ns, size) freshness key so config edits are picked up next call, and preserves the identity invariant (cache-miss returns the same object later hits serve) — regression-tested with 'is', per the PR #28866 identity-bug lesson. The mutable read_raw_config() is unchanged for save-path callers. 581 targeted tests green (config, relay metrics x2, ephemeral reply, platform base, new readonly suite). |
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| .. | ||
| schemas | ||
| __init__.py | ||
| relay_runtime.py | ||
| relay_shared_metrics.py | ||
| shared_metrics.py | ||
| shared_metrics_contract.py | ||
| shared_metrics_subscriber.py | ||