How can you optimize the performance of Spring Data JPA repositories when dealing with large datasets?

  • Using the @Query annotation to write custom queries.
  • Increasing the transaction isolation level.
  • Using the @Transactional annotation on repository methods.
  • Using FetchType.LAZY for related entities.
To optimize the performance of Spring Data JPA repositories when dealing with large datasets, it's crucial to write custom queries using the @Query annotation. This allows you to fine-tune the SQL queries and fetch only the necessary data, minimizing the overhead of retrieving large datasets. Other options may be relevant in different contexts, but they do not directly address the issue of optimizing performance with large datasets.
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