EXCESSIVE I/O CONTROLFILE PERFORMANCE PROBLEMS
(Doc ID 1058851.6)
Last updated on DECEMBER 11, 2023
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
You are seeing excessive reads and writes to the control file during loads
using SQL*Loader. This is noticed on 8.0.4, but according to developer
comments this can occur on any version, and is expected behaviour. The
excessive I/O results in performance problems.
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