Re: Usage of COMMIT NOWAIT, BATCH
- From: "Jonathan Lewis" <jonathan@xxxxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Sat, 2 Feb 2008 10:13:04 -0000
As much data as had not been protected by the log writer since
it last write - i.e. as much as three seconds of log.
Of course, if you had a long running transaction that took
three hours to complete, and the COMMIT for that transaction
was in that three seconds, then the three hours would be rolled
back on recovery.
Regards
Jonathan Lewis
http://jonathanlewis.wordpress.com
Author: Cost Based Oracle: Fundamentals
http://www.jlcomp.demon.co.uk/cbo_book/ind_book.html
The Co-operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html
----- Original Message -----
From: "LS Cheng" <exriscer@xxxxxxxxx>
To: <hkchital@xxxxxxxxxxxxxx>
Cc: <oracle-l@xxxxxxxxxxxxx>
Sent: Saturday, February 02, 2008 9:21 AM
Subject: Re: Usage of COMMIT NOWAIT, BATCH
Hi
It just occured to me yesterday to use this in a customer but does anyone
know how much data would we lose if there is an instance failure?
So far I have not seen this used in production
Thanks
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