Re: IDS hangs; IBM diagnoses resident memory problem

Ian Michael Gumby wrote: > > > > From: superboer7@t-online.de > > Subject: Re: IDS hangs; IBM diagnoses resident memory problem > > Date: Mon, 19 Jan 2009 01:30:01 -0800 > > To: informix-list@iiug.org > > > > > Well you're always welcome to disagree. > > > > > > Here's the issue in a nutshell. > > > Why do you make the memory pages resident and not let them be swapped? > > > > To make damn sure that the filesystemcache does not get its hands on > > the memory. > > > How often do you see machines swap these days? A lot fucking more than I want to. :o( -- Cheers, Obnoxio The Clown http://obotheclown.blogspot.com

On Jan 19, 10:41 am, Obnoxio The Clown <obno...@serendipita.com> wrote: > Ian Michael Gumby wrote: > > >  > From: superbo...@t-online.de > >  > Subject: Re: IDS hangs; IBM diagnoses resident memory problem > >  > Date: Mon, 19 Jan 2009 01:30:01 -0800 > >  > To: informix-l...@iiug.org > > >  > > Well you're always welcome to disagree. > > >  > > Here's the issue in a nutshell. > >  > > Why do you make the memory pages resident and not let them be swapped? > > >  > To make damn sure that the filesystemcache does not get its hands on > >  > the memory. > > > How often do you see machines swap these days? > > A lot fucking more than I want to. :o( > > -- > Cheers, > Obnoxio The Clown > > http://obotheclown.blogspot.com Then you're not building or configuring your machines right. Atleast when my client's Oracle Server died a horrible death it wasn't a swap related issue. It was that the CPU got in to a thrashing situation. The point again is that you don't want to use the Residency Flag unless you *have* to!