// Repeated database fetch calls
async function getUserProfile(userId: string) {
  // Triggers disk lookups on database instances
  return await db.users.findOne({ id: userId });
}

// UNICX Memory Caching layers
import { redis } from '@/lib/redis';

async function getUserProfile(userId: string) {
  // In-memory reading resolving queries in sub-2ms
  const cache = await redis.get(`user:${userId}`);
  if (cache) return JSON.parse(cache);
  
  const user = await db.users.findOne({ id: userId }); // [!code highlight]
  await redis.setex(`user:${userId}`, 3600, JSON.stringify(user));
  return user;
}