优化从 JDBC 数据源进行读取的性能Optimize read performance from JDBC data sources

问题Problem

从外部 JDBC 数据库读取数据时速度很慢。Reading data from an external JDBC database is slow. 如何提高读取性能?How can I improve read performance?

解决方案Solution

请参阅 Azure Databricks 文档中有关如何优化从外部 JDBC 数据库读取数据时的性能的详细讨论。See the detailed discussion in the Azure Databricks documentation on how to optimize performance when reading data from an external JDBC database.