Thanks, Mladen. That makes sense.
One just needs to make sure (by testing) that the OS supports this feature.
- Kirti
- Mladen Gogala <mgogala_at_adelphia.net> wrote:
> Kirti, problem is in the malloc mechanism. The subroutine to free the memory
> doesn't return it to the OS, it returns it to the "allocation pool instead.
> As a consequence, when oracle does "free", its address space is not going to
> go down. You realize, of course, that malloc, calloc, realloc and free are the
> only options, because of their portability. There are low level allocation
> routines like brk() to increase the address space, but unaware of any routine
> to decrease the address space. Here is the manual page for the library
> subroutine called "mallopt", which is mostly obsolete but still exists on
> HP-UX. The mechanism remained the same, but the control was taken away from
> the users. Manual page does illustrate the mechanism, though.
> malloc(3C) malloc(3C)
>
<snip>
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com
--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author: Kirtikumar Deshpande
INET: kirtikumar_deshpande_at_yahoo.com
Fat City Network Services -- 858-538-5051 http://www.fatcity.com
San Diego, California -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from). You may
also send the HELP command for other information (like subscribing).
Received on Sun Aug 03 2003 - 14:29:24 CDT
