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Oracle Import Takes Longer When Using Buffered VxFS Then Using Unbuffered VxFS (Doc ID 1018755.1)

Last updated on JULY 06, 2023

Applies to:

Solaris Operating System - Version 8.0 and later
All Platforms

Symptoms

Customer is importing data into an Oracle database under VxFS 3.3.3 and Solaris[TM] 7. At first the data rate is 2000 records a minute and gradually goes down to 100 records a minute. The stack of oracle import process when it is running slowly has vx_putpage_dirty vx_do_putpage and vx_fsync. A normal running import process has aiowait and kaio on the Oracle import stack.

Cause

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