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What does optimizing shard number mean?

2022-02-04 16:48:05 Alibaba cloud Q & A

Optimize Shard What does number mean ?

Take the answer 1:

Shard_count: Shard The effect of physical sub table is realized , Multiple Shard Parallel service query . increase Shard It can increase the distributed parallelism of queries , more Shard Not necessarily faster , It also brings the scheduling overhead of concurrent queries .

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