if u dont know who is spamming to alert log there is the way to figure out this
col cnt format a20 col host_id format a20 col message_text format a40 col process_id format a10 select count(*) cnt,host_id,message_text,process_id from X$DBGALERTEXT where message_text like '%Turning off busy%' group by host_id,message_text,process_id; CNT | HOST_ID | MESSAGE_TEXT | PROCESS_ID ---------- | -------------------- | ---------------------------------------- | ---------- 28857 | xxxxxxxxxxxxxxxxxxxx | Turning off busy | 28518 [xxxxxxxxxxxxxxxxxxxx ]# ps -ef | grep 28518 | grep -v "grep" oracle 28518 1 25 Oct16 ? 10:23:42 ora_fbda_xxxxxx2
and it’s Flasback process =)
ps:oracle 12.1