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Eclipse Community ForumsHow to set JDBC fetch size on JPA query?
https://www.eclipse.org/forums/index.php/mv/msg/158753/501317/#msg_501317
I'm considering a current piece of code that uses JDBC to process a resultset from a query that theoretically returns hundreds of thousands of rows, but my service only runs for a few minutes, only processing the records it can process in a time limit. The next time it runs, it runs a similar query and gets the rows that haven't been eliminated in the meantime. In this piece of code, I can tune the performance by changing the JDBC fetch size.