Higher 'log file sync' Waits After Upgrading to Linux Redhat EL 6
(Doc ID 1918513.1)
Last updated on MARCH 03, 2022
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Database Cloud Schema 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
Oracle Database Backup Service - Version N/A and later
- High transaction rate and high commit frequency
- Average wait time for "log file sync" is still in the normal range, but the average wait time has increased from 1ms to 4ms. Since the wait count is relatively high, this has a detrimental affect on the overall performance :
Server migrated from Redhat EL 4 to Redhat EL 6.
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