Part 09 · Partitioning and Sharding
Choosing a Shard Key: Hotspots and Skew
Shard keyHotspotSkewCelebrity problem
Shard by user_id, order_id or created_at? How a bad shard key creates one burning-hot shard, and how to spot and fix skew.
⏱ 6 min · Station 78 of 123
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This chapter is being written.
The route is mapped; the full walkthrough arrives here soon.