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Hyperscaling SQL with Sam Lambert
Software Engineering Daily
Efficient Test Data Management and Sharding in Database Systems
Database systems generally begin with no data in the branch, prompting users to load bootstrap data sets for testing. Production data sets for testing are hard to obtain due to customer confidentiality concerns. However, the system offers primitives to simplify provisioning for testing purposes. Users can establish separate instances for testing without modifying or replicating production data. Sharding in database systems necessitates managing schema changes consistently across shards during upgrades, requiring coordination to implement changes per shard and commit them collectively.
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