Getting Started with Lidar Labeler App, Part 1: Manual Labeling Using Lidar Labeler App

Fast queries don’t come from fast code — they come from smart data design. ⸻ 1️⃣ Partition / Shard Large Tables 👉 Split the table by date, region, or user ranges so each query scans only a tiny slice. Example: Fetching “orders this month” hits only the May partition — not all 200M rows. ⸻ 2️⃣ Add Proper Indexes (Fast Lookup) 👉 Index columns you search frequently (user_id, email, status). Example: Searching by user_id becomes a quick index lookup, not a 200M-row scan. ⸻ 3️⃣ Add Read Replicas 👉