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docs: document installed manifest fallback cache

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Shakker
2026-04-27 12:24:59 +01:00
parent 7363fb4a44
commit 05fce28ec0
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docs/plugins/architecture-internals.md
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@@ -93,10 +93,20 @@ OpenClaw keeps short in-process caches for:
These caches reduce bursty startup and repeated command overhead. They are safe
to think of as short-lived performance caches, not persistence.
Gateway hot paths should prefer the current `PluginLookUpTable` or an explicit
manifest registry passed through the call chain. For callers that still rebuild
manifest metadata from the persisted installed plugin index, OpenClaw also keeps
a small bounded fallback cache keyed by the installed index, request shape,
config policy, runtime roots, and manifest/package file signatures. That cache is
only a fallback for repeated installed-index reconstruction; it is not a mutable
runtime plugin registry.
Performance note:
- Set `OPENCLAW_DISABLE_PLUGIN_DISCOVERY_CACHE=1` or
`OPENCLAW_DISABLE_PLUGIN_MANIFEST_CACHE=1` to disable these caches.
- Set `OPENCLAW_DISABLE_INSTALLED_PLUGIN_MANIFEST_REGISTRY_CACHE=1` to disable
only the installed-index manifest-registry fallback cache.
- Tune cache windows with `OPENCLAW_PLUGIN_DISCOVERY_CACHE_MS` and
`OPENCLAW_PLUGIN_MANIFEST_CACHE_MS`.