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perf: smart cache invalidation — only channels/observers on packet burst, node/health/analytics expire by TTL, node invalidated on ADVERT only

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2026-03-20 03:48:55 +00:00
parent 1be6b4f4ad
commit f8638974c7
1 changed files with 8 additions and 6 deletions
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server.js
+8 -6
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@@ -75,12 +75,10 @@ class TTLCache {
if (this._debounceTimer) return;
this._debounceTimer = setTimeout(() => {
this._debounceTimer = null;
this.invalidate('analytics:');
this.invalidate('channels');
this.invalidate('node:');
this.invalidate('health:');
this.invalidate('observers');
this.invalidate('bulk-health');
// Only invalidate truly time-sensitive caches
this.invalidate('channels'); // chat messages need freshness
this.invalidate('observers'); // observer packet counts
// node:, health:, bulk-health, analytics: all have long TTLs — let them expire naturally
}, TTL.invalidationDebounce);
}
clear() { this.store.clear(); }
@@ -325,6 +323,10 @@ try {
const p = decoded.payload;
const role = p.flags ? (p.flags.repeater ? 'repeater' : p.flags.room ? 'room' : p.flags.sensor ? 'sensor' : 'companion') : 'companion';
db.upsertNode({ public_key: p.pubKey, name: p.name || null, role, lat: p.lat, lon: p.lon, last_seen: now });
// Invalidate this node's caches on advert
cache.invalidate('node:' + p.pubKey);
cache.invalidate('health:' + p.pubKey);
cache.invalidate('bulk-health');
}
if (observerId) {