scalability
2 posts — newest first.
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Sharding and Partitioning: Splitting Data Without Splitting Your Sanity
One database eventually runs out of one machine. Sharding buys headroom — but the shard key you pick is a near-permanent decision. Here's how to choose it.
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Consistent Hashing: How Distributed Systems Add and Remove Nodes Without Chaos
Hash-mod-N reshuffles almost everything when a node leaves; consistent hashing moves a fraction. The ring, virtual nodes, and why your CDN depends on it.