Re: BAST in RAC
- From: K Gopalakrishnan <kaygopal@xxxxxxxxx>
- To: Mladen Gogala <mgogala@xxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 24 Dec 2004 01:17:12 +0530
Mladen:
Interrupt is a generic word and it can be used anywhere in a relative
context. CPU hardware devices may have something called interrupt and
I am least bothered about that while speaking in RAC related context.
In simple terms SAST/BAST are system traps sent to the owning
processes and it is like an interrupt to that process. If you think
that INTERRUPT should only be used to CPU/hardware decice context, you
may want to go ahead and use that only for that purposes..
> Your description of AST is what is scientifically known as mumbo-jumbo
> (Oracle* Mumbo-Jumbo 10g) and makes no sense whatsoever. RAC processes work
> over TCP sockets and do not "deliver interrupts". Processors and
> hardware devices
> deliver interrupts. Sockets deliver packets. If you want to provide
> internal information,
> please do it properly and not in a sloppy and misleading way using
> incorrect and undefined terminology. This is the same comment that I've
> sent in private email to Steve Adams when
> he was talking about "ASTs" in his internals book.
What ever information I have provided is 100% correct in RAC related
context. If some one else is relating that with VMS or punched cards
then I can not help :)
--
Best Regards,
K Gopalakrishnan
Co-Author: Oracle Wait Interface, Oracle Press 2004
http://www.amazon.com/exec/obidos/tg/detail/-/007222729X/
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