Re: network vector IO

From: Yong Huang <>
Date: Tue, 22 Jun 2010 11:12:34 -0700 (PDT)
Message-ID: <>

> What this feature is? How to turn it on? Off?

Try changing _use_zero_copy_io to false and bounce the database. The description of this parameter is "Should network vector IO interface be used for data transfer".

If you use JDBC, there's a documented way to turn it off with


It's in the "Working with LOBs and BFILEs" chapter but I doubt it's limited to that. Ref:

Yong Huang       

Received on Tue Jun 22 2010 - 13:12:34 CDT

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