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Session-specific eclipselink.jdbc.batch-writing.size [message #1837364]

Thu, 28 January 2021 14:27

Cosmin Mendrea

Messages: 2
Registered: July 2009

Junior Member

Hello all,

We would like to use a different value for "eclipselink.jdbc.batch-writing.size" just in a specific scenario (for some data import) and in the rest of our use cases use the value set in the persistence.xml.

What we tried in a stateless bean:
-

@PersistenceContext
private EntityManager manager;
....
Session session = manager.unwrap(Session.class);
session.getLogin().setMaxBatchWritingSize(200);
doImport();

Although the above cod does change the used batch write size, I was surprised, to say so, that the batch write size is still 200 before I would execute the above code again, but I was expecting for it to be reset to the value from persistence.xml.

Are we doing something wrong? Does EclipseLink actually support this scenario?

Thank you!

EclipseLink 2.6.5 in Payara 4.1.2.191

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