Re: Why a long transaction cannot rollback?? (2)
Posted in 1997
In article <5ii2dl$4ud$1@gulfa.kuwait.net>, Rudy Fernandes <rferdy@kuwait.net> writes > >This is correct,too. On testing, I've found that OL uses Log Ids to >detect HWM and EHWM. With 6 logs in my test instance, OL invariably >aborted when the transaction moved into the x+4 log. It did not >matter whether the Tx started at 5% of log x or 95% of log x. > No way - I always assumed that it used sum (pages used)/ sum(pages) for all logical logs. Does this mean that with 3 logical logs that it only checks at 33%,66%and 100%? SO that with 4 logical logs changing LTXHM from 40%to50% has no effect??? >Cheers, > > > >----------------------- >Rudy Fernandes >GIC, Kuwait >OL 7.20UC4, 4GL 6.04UC1 >----------------------- -- David Williams