ORA-600  Reported When Executing DML
(Doc ID 2055705.1)
Last updated on FEBRUARY 20, 2019
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 Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
When attempting to run the following:
delete /*+ CACHE_CB("SYS$SERVICE_METRICS_TAB") */ from "SYS"."SYS$SERVICE_METRICS_TAB" where rowid = :1
the following error occurs.
ORA-00600: internal error code, arguments: , , , , , , , , , , , 
The incident file written by the error will show:
- The blocking process is the LGWR process
- LGWR is waiting on "log file sync switching to polling" and "Log file sync switching to post/wait" for a long time
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