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Query Optimization: The Hidden Cost of Cross-Shard Joins

Query Optimization: The Hidden Cost of Cross-Shard Joins In a sharded database, the "Scatter-Gather" query is the silent performance killer. When you perform a join on columns that aren't the shard key, your proxy has to…

Apr 20, 20261 min read

Deep DiveDatabase Sharding Mastery

#sharding#database-optimization#queries