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#Sharding

2 guides~14 min totalupdated Oct 20, 2026

Consistent Hashing Explained: Add a Server Without Moving Everything (2026)

Consistent hashing explained for system design interviews: the hash ring, virtual nodes, a measured simulation (10% of keys move vs 91%), replicas, and its limits.

Intermediate · 6 min

Software Architecture

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Intermediate8 minDatabase Sharding and Replication Explained: Copy for Reads, Split for Writes (2026) Database sharding and replication explained for system design interviews: copies vs splits, sync vs async, shard keys, hot spots, resharding, and when not to shard.

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