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Article #4063Re: Memory management on AIX
From: Pascal Perrot
Date: Tue, 09 Mar 2004 13:33
Date: Tue, 09 Mar 2004 13:33
43 lines
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3076 bytes
Yes there are some shared libs. I already thought about this thing, but from my side I think that at least "all the res area" could be paged, so the same virtual area is already reserved on disk in case on paging or swapping. Don't forget this my question is about one process (not the whole machine). You are right, frequently the shared part is counted n times (n=number of processes using the shared area). Regards, Pascal "Nicholas Dronen" <ndronen@io.frii.com> a οΏ½crit dans le message de news:404dadd2$0$195$75868355@news.frii.net... > In comp.unix.aix Pascal Perrot <perrot_pascal@emc.com> wrote: > PP> Hi, > PP> I am doing some performance analysis on machines running AIX and I discovers > PP> something "strange" for me: > PP> How could you explain a RESident set size greater than the VIRtual set size > PP> for a specific process??? > > Does VSS contain SysV shared memory pages? > > Regards, > > Nicholas > > -- > +--------------------------------------------------------------------------+ > | Bush's Flip Flops | > | * Bush is against campaign finance reform; then he's for it. | > | * Bush is against a Homeland Security Department; then he's for it. | > | See http://www.dailykos.com/section/bush_admin for the complete list. | > +--------------------------------------------------------------------------+
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X-Google-Language: ENGLISH,ASCII X-Google-Thread: f8c9b,a3772666274316d6 X-Google-Attributes: gidf8c9b,public X-Google-Thread: 115614,a3772666274316d6 X-Google-Attributes: gid115614,public X-Google-Thread: 1020c6,a3772666274316d6 X-Google-Attributes: gid1020c6,public X-Google-Thread: 110f2c,a3772666274316d6 X-Google-Attributes: gid110f2c,public X-Google-Thread: 10650a,a3772666274316d6 X-Google-Attributes: gid10650a,public X-Google-ArrivalTime: 2004-03-09 05:34:09 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!news.tele.dk!news.tele.dk!small.news.tele.dk!proxad.net!news.cs.univ-paris8.fr!ens.insa-rennes.fr!news.univ-brest.fr!crihan.fr!univ-lille1.fr!news.cict.fr!tls.cena.fr!news.stna.aviation-civile.gouv.fr!not-for-mail From: "Pascal Perrot" <perrot_pascal@emc.com> Newsgroups: comp.unix.admin,comp.unix.aix,comp.unix.internals,comp.unix.questions,fr.comp.os.unix Subject: Re: Memory management on AIX Date: Tue, 9 Mar 2004 14:33:34 +0100 Organization: Service Technique de la Navigation Aerienne (Toulouse France) Lines: 45 Message-ID: <c2kgt3$b4o$1@public.stna.aviation-civile.gouv.fr> References: <c2ju04$2qe$1@public.stna.aviation-civile.gouv.fr> <404dadd2$0$195$75868355@news.frii.net> NNTP-Posting-Host: 143.196.162.252 X-Trace: public.stna.aviation-civile.gouv.fr 1078839011 11416 143.196.162.252 (9 Mar 2004 13:30:11 GMT) X-Complaints-To: usenet@news.stna.aviation-civile.gouv.fr NNTP-Posting-Date: Tue, 9 Mar 2004 13:30:11 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165