Re: Large pages

"Noons" <wizofoz2k_at_gmail.com> wrote in message news:2b35f5db-4533-4d76-99e8-4867b865fcf2_at_u4g2000pbo.googlegroups.com... On Nov 13, 9:53 pm, "Jonathan Lewis" <jonat..._at_jlcomp.demon.co.uk> wrote:

|You said:
|>In Unix (unless you use intimate shared memory) you get one map per
|>process - so an Oracle system with 1,000 processes would end up using
as
|>much memory for maps of the SGA as it would on the SGA itself if it
were
|>using standard pages.
|
|That is incorrect, In Unix there is no such thing as a memory map per
process.
|The largepages feature has nothing to do with the memory of each
process.
|Memory map is an incorrect term to describe virtual memory translation
to physical addresses in the context of a process or group of
|processes.

Noons,

Thanks for that (mostly cut) - I'm going to have to read through that lot very carefully

-- 

Regards

Jonathan Lewis
http://jonathanlewis.wordpress.com/all-postings

Author: Oracle Core (Apress 2011)
http://www.apress.com/9781430239543