Re: Memory management on AIX
From: Lars Heidieker (lars.heidieker_at_uni-bielefeld.de)
Date: 03/31/04
- Next message: Steve Nottingham: "Re: connecting problem by using windows hypertem"
- Previous message: Steve Nottingham: "Re: Who has some idea of AIX 5.3 new features?"
- In reply to: Pascal Perrot: "Memory management on AIX"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Date: Wed, 31 Mar 2004 11:14:32 +0200
It's a guess.
Probably AIX does not show the total virtual size in vsz.
It might just show the executables text data bss and stack "segments"
but not later mapped objects (libaries files etc)
Thats what happens in NetBSD and OpenBSD with the same effect vsz < rss
and yes that's strange to me too.
I think I have read once it's the same with AIX.
(For NetBSD and OpenBSD thats not totally true as sbrk syscall
increase/decrease the vsz size but not file mappings by mmap)
Lars
Pascal Perrot wrote:
> Hi,
> I am doing some performance analysis on machines running AIX and I
> discovers something "strange" for me:
> How could you explain a RESident set size greater than the VIRtual set
> size for a specific process???
>
> Thanks for your help
> Pascal
- Next message: Steve Nottingham: "Re: connecting problem by using windows hypertem"
- Previous message: Steve Nottingham: "Re: Who has some idea of AIX 5.3 new features?"
- In reply to: Pascal Perrot: "Memory management on AIX"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Relevant Pages
|
