Buffer Cache, Tuning - oracle-l - FreeLists

Buffer Cache, Tuning

From: "Sinardy Xing" <SinardyXing@xxxxxxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Date: Mon, 1 Nov 2004 16:02:55 +0800

Hi all,
Since DBW will flush buffer cache, 

every 3 seconds, 

every commit, 

when buffer pool 1/3 full

Why we Oracle still need to introduce the DB_BLOCK_MAX_DIRTY_TARGET?

From what I can imagine 3 seconds per flush is reasonably fast. 

 

Sinardy

 





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