UPDATE To USER$.SPARE6 Performs Poorly (2-Second Execution Time) and Consumes CPU
Last updated on JULY 04, 2017
Applies to:Oracle Audit Vault and Database Firewall - Version 22.214.171.124 and later
Information in this document applies to any platform.
The following statement performs poorly (taking 2+ seconds to complete) and consumes CPU:
update user$ set spare6=DECODE(to_char(:2, 'YYYY-MM-DD'), '0000-00-00', to_date(NULL), :2) where user#=:1
The behavior is seen specifically when Transparent Data Encryption (TDE) and FIPS mode are both in use.
The problem occurs after upgrading to 126.96.36.199.
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