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Process 0x0x... appears to be hung in Auto SQL Tuning task

in Database Administration (MOSC) 1 commentAnswered

Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.3.0.0.0

oracle linux 7.9

database with only 1 pdb.

i uisng OEM 13.4


Hi, i have an errors in the log.xml file:

/u01/app/oracle/diag/rdbms/database/database/alert/log.xml


this is the error sequence in log.xml:


type='ERROR' group='SQL_Tune'


Process 0x0xc43b8830 appears to be hung in Auto SQL Tuning task


Current time = 1688898962, process death time = 1688898945


Attempting to kill process 0x0xc43b8830 with OS pid = 31966


OSD kill succeeded for process 0xc43b8830


As far as I understand, the "auto sql tuning task" takes too long and cannot be executed, so that process is automatically killed? why is this happening and what is the solution? I tried increasing the execution time to 3600 but still the problem occurs. I have currently disabled the auto sql tuning task. but how can i find what is the cause of the problem and how to solve it?

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