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This prevents automatic tuning of column tuned_undoretention in v$undostat
Setting it to false was recommended in Note:420525.1 which discusses some undo space related issues in 10g
Not sure on this parameter.
It specifies number of hash buckets for Database buffers. Mostly this parameter was used in 8i databases to prevent 'Cache buffer chain" latch issues. I guess you can remove this parameter.
This is SAP, right? How did these get there in the first place? Did you check OSS?
Hidden parms are also called "undocumented" parms, because they are not documented. I have my list here:
I just want to know what actually are these parameters in what way it helps in a database
jobqueue_interval: Wakeup interval in seconds for job queue co-ordinator
dbblock_hash_latches: Number of database block hash latches
I would ask the person who is handling your SR . . . .
Oracle Press author
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