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Datapump with network_link: how to increase the arraysize?

in Database Networking (MOSC) Question

Oracle database, version 19c

In MOS there is a document that talks about how to tweak network performance thanks to sqlnet parameters:

Oracle Net Performance Tuning (Doc ID 67983.1)

Unfortunately that document is obsolete:

Is there such a resource for 19c? I'd like to know it there's a way to increase the arraysize that impdp uses to fetch data from the remote database when using a network link? And any other way to improve the performance of transferring the data over the network.

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