Re: severe performance issues when flashback is on

From: Sidney Chen <>
Date: Thu, 20 Oct 2011 13:37:31 +0800
Message-ID: <>

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]


Sidney Chen

-- Received on Thu Oct 20 2011 - 00:37:31 CDT

Original text of this message