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Performance Problems In a RAC Database Using Smart Flash Cache (Doc ID 1981471.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)
Linux x86-64
Linux Itanium

Symptoms

When performing a parallel Data Pump import in a RAC database using the 12c new 'smart flash cache' feature next symptoms were noticed in the database:

and following wait events:

If smart flash cache is disabled then there are no problems with database performance when performing the import.

Changes

 

Cause

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