Re: severe performance issues when flashback is on

  • From: Sidney Chen <huanshengchen@xxxxxxxxx>
  • To: exriscer@xxxxxxxxx
  • Date: Thu, 20 Oct 2011 13:37:31 +0800

When flashback on, what oracle is reading during second round? the datafile
or flashback logs? refer to p1/p2 of db file sequential read in the trace.
i've not testing in 11gr2 myself, from MOS, the overhead is expected.

Flashback Database Best Practices & Performance [ID 565535.1]

-- 
Regards
Sidney Chen


--
//www.freelists.org/webpage/oracle-l


Other related posts: