By monitoring the CPU load of my Oracle Database and the RDB-Buffer-Blocks i was able to detect a relationship … after some time the RDB Manager is not able to write data anymore and restarts… seems to be an Oracle Problem… i should add more WinCC OA metrics…
DDE: Problem Key ‘ORA 600 [peshmgel: Table size]’ was completely flood controlled (0x6)
Further messages for this problem key will be suppressed for up to 10 minutes
Errors in file /app/oracle/diag/rdbms/cdb/cdb/trace/cdb_ora_50519.trc (incident=223091) (PDBNAME=PVSS):
ORA-00600: internal error code, arguments: , , , , , , , , , , , 
Incident details in: /app/oracle/diag/rdbms/cdb/cdb/incident/incdir_223091/cdb_ora_50519_i223091.trc
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