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Article #4059Re: Memory management on AIX
From: Doug Freyburger
Date: Tue, 09 Mar 2004 14:54
Date: Tue, 09 Mar 2004 14:54
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1746 bytes
Pascal Perrot wrote: > > 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??? AIX uses a lazy algorthym to assign disk space to pages. Disk copies are not mapped until it is actually needed to put the page onto disk. If the difference is large, the virtual size just might be measuring the disk resident part instead of the total.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f8c9b,a3772666274316d6 X-Google-Attributes: gidf8c9b,public X-Google-Thread: 1020c6,a3772666274316d6 X-Google-Attributes: gid1020c6,public X-Google-Thread: 110f2c,a3772666274316d6 X-Google-Attributes: gid110f2c,public X-Google-Thread: 10650a,a3772666274316d6 X-Google-Attributes: gid10650a,public X-Google-Thread: 115614,a3772666274316d6 X-Google-Attributes: gid115614,public X-Google-ArrivalTime: 2004-03-09 06:54:26 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!postnews1.google.com!not-for-mail From: dfreybur@yahoo.com (Doug Freyburger) Newsgroups: comp.unix.admin,comp.unix.aix,comp.unix.internals,comp.unix.questions,fr.comp.os.unix Subject: Re: Memory management on AIX Date: 9 Mar 2004 06:54:25 -0800 Organization: http://groups.google.com Lines: 11 Message-ID: <7960d3ee.0403090654.20a64e42@posting.google.com> References: <c2ju04$2qe$1@public.stna.aviation-civile.gouv.fr> NNTP-Posting-Host: 12.119.251.194 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Trace: posting.google.com 1078844066 6185 127.0.0.1 (9 Mar 2004 14:54:26 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 9 Mar 2004 14:54:26 +0000 (UTC)