evernote-performance-tuning

# Evernote Performance Tuning ## Overview Optimize Evernote API integration performance through response caching, efficient data retrieval, request batching, connection management, and performance monitoring. ## Prerequisites - Working Evernote integration - Understanding of API rate limits - Caching infrastructure (Redis recommended, in-memory for simpler setups) ## Instructions ### Step 1: Response Caching Cache frequently accessed data (notebook lists, tag lists, note metadata) with TTL-based expiration. Notebook and tag lists change rarely -- cache for 5-15 minutes. Note metadata can be cached for 1-5 minutes. ```javascript class EvernoteCache { constructor(redis) { this.redis = redis; } async getOrFetch(key, fetcher, ttlSeconds = 300) { const cached = await this.redis.get(key); if (cached) return JSON.parse(cached); const data = await fetcher(); await this.redis.setex(key, ttlSeconds, JSON.stringify(data)); return data; } async listNotebooks(noteStore) { return this.getOrFetch('notebooks', () => noteStore.listNotebooks(), 600); } async listTags(noteStore) { return this.getOrFetch('tags', () => noteStore.listTags(), 600); } } ``` ### Step 2: Efficient Data Retrieval Use `findNotesMetadata()` instead of `findNotes()` to avoid transferring full note content. Only request needed fields in `NotesMetadataResultSpec`. Fetch full content only when the user explicitly opens a note. ```javascript // BAD: Fetches full con...