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Jun 4, 2019 · Databases

How DBLE Maps Logical Shards to Physical Partitions Using a Hash Modulo

This article explains DBLE's hash‑based sharding algorithm that first computes a modulo to obtain a logical shard number and then directly maps it to a physical shard via a mapping table derived from partitionLength and partitionCount arrays, including configuration steps, development tips, operational guidance, and a comparison with MyCat.