How to Avoid or Prevent "Process 0x%p appears to be hung in Auto SQL Tuning task" Messages
Last updated on JUNE 30, 2017
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database - Standard Edition - Version 22.214.171.124 and later
Oracle Database - Personal Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
Occasionally, when running the "SYS_AUTO_SQL_TUNING_TASK" warning messages such as the following may appear in the alert log:
"Current time = %u, process death time = %u"
"Attempting to kill process 0x%p with OS pid = %s"
"OSD kill skipped for process %p"
"OSD kill succeeded for process %p"
"OSD kill failed for process %p"
These messages indicate that an auto kill of a "hung"/long running tuning task has taken place. This is a protective measure purely to avoid the task from over-running its time limit because of a single task and protects a the system from harm caused by such over-running.
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