II think it is related with RBS management.. Before UNDOS..roll back segments were used...and for a particular/selected long transaction a facility was given that you can allocate a RBS ...so other RBS will be used for other ongoing transactions.. thanks....subodh On 8 December 2011 21:27, Dba DBA <oracledbaquestions@xxxxxxxxx> wrote: > Version: 10.2.0.5 > Question 1: > > SET TRANSACTION command > > We are looking at logminer and noticing that one of our applications is > issung a set transaction read write. The problem with this is that oracle > records this as an open transacxtion. We are using golden gate and it has > issues with long running transactions. So we have processes that connect to > oracle, issue this, and then go idle. Before we go back to the developers, > we want to dig up some more information. Their application probably doesn't > need to do this. They may not even know they are doing it. It could be > built into what ever library they are using to connect to the database. We > noticed that set transaction is not recorded in v$sqlarea. Is there > anywhere else other than logminer where we can dig up data on set > transaction commands? I also noticed that you can name your transaction.. > see link below. is that recorded in the data dictionary? I looked at the > docs for v$rtransaction and I do not see a field for transaction name? > > > Question 2: > > I googled this before I asked, but I didn't really find what I was looking > for. Is there a way to estimate how much work it will be to kill and > rollback a session? I have looked at v$undostat, but I am not sure how to > take the data I am seeing there and turn it into a rough estimate of how > long it will take to rollback. I know it will be based on how busy the > database is and it is application specific. Has anyone done any work with > estimate how long it takes to roll something back:? > > > -- > //www.freelists.org/webpage/oracle-l > > > -- ============================================= TRUTH WINS AT LAST, DO NOT FORGET TO SMILE TODAY ============================================= -- //www.freelists.org/webpage/oracle-l