Re: bdflush or others affecting disk cache

2004-04-19 Thread Donovan Baarda
On Tue, 2004-04-20 at 03:55, David Wilk wrote: > I'm going to have to disagree with the above poster. This VM behavior > is not ideal and is really counter-productive. 2.4.x saw lot's of VM > work to improve performance over broad ranges of work-load. The > problems occur when changes are made f

Re: bdflush or others affecting disk cache

2004-04-19 Thread Donovan Baarda
On Tue, 2004-04-20 at 03:55, David Wilk wrote: > I'm going to have to disagree with the above poster. This VM behavior > is not ideal and is really counter-productive. 2.4.x saw lot's of VM > work to improve performance over broad ranges of work-load. The > problems occur when changes are made f

Re: bdflush or others affecting disk cache

2004-04-19 Thread David Wilk
why it is swapping so aggressively... to the point that > it is running itself out of RAM for active programs to increase cache > size. > > Jas > > - Original Message ----- > From: "Jason Lim" <[EMAIL PROTECTED]> > To: > Sent: Monday, 19 April, 2004 7:3

Re: bdflush or others affecting disk cache

2004-04-19 Thread David Wilk
why it is swapping so aggressively... to the point that > it is running itself out of RAM for active programs to increase cache > size. > > Jas > > - Original Message ----- > From: "Jason Lim" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent:

Re: bdflush or others affecting disk cache

2004-04-19 Thread Jason Lim
ping so aggressively... to the point that it is running itself out of RAM for active programs to increase cache size. Jas - Original Message - From: "Jason Lim" <[EMAIL PROTECTED]> To: Sent: Monday, 19 April, 2004 7:31 AM Subject: bdflush or others affecting disk cache >

Re: bdflush or others affecting disk cache

2004-04-19 Thread Jason Lim
ping so aggressively... to the point that it is running itself out of RAM for active programs to increase cache size. Jas - Original Message - From: "Jason Lim" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, 19 April, 2004 7:31 AM Subject: bdflush or others

Re: bdflush or others affecting disk cache

2004-04-19 Thread Jason Lim
causing it to be disk bound... causing the system to increase cache size... causing more swap usage... etc. Anyone see this before? - Original Message - From: "Donovan Baarda" <[EMAIL PROTECTED]> To: "Jason Lim" <[EMAIL PROTECTED]> Cc: Sent: Monday, April 19

Re: bdflush or others affecting disk cache

2004-04-19 Thread Jason Lim
causing it to be disk bound... causing the system to increase cache size... causing more swap usage... etc. Anyone see this before? - Original Message - From: "Donovan Baarda" <[EMAIL PROTECTED]> To: "Jason Lim" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]&g

Re: bdflush or others affecting disk cache

2004-04-18 Thread Donovan Baarda
On Mon, 2004-04-19 at 09:31, Jason Lim wrote: > Hi all, > > I've been banging my head on this one for a while now on a 2.4.20 system. [...] > The problem is that swap usage can grow to 100Mb... yet the buffers and > cache remain at astoundingly high levels. > > I can actually see memory to cache

bdflush or others affecting disk cache

2004-04-18 Thread Jason Lim
Hi all, I've been banging my head on this one for a while now on a 2.4.20 system. Here is the output of top: Mem: 1027212K av, 1018600K used,8612K free, 0K shrd, 70728K buff Swap: 2097136K av, 35556K used, 2061580K free 690140K cached and the output of free:

Re: bdflush or others affecting disk cache

2004-04-18 Thread Donovan Baarda
On Mon, 2004-04-19 at 09:31, Jason Lim wrote: > Hi all, > > I've been banging my head on this one for a while now on a 2.4.20 system. [...] > The problem is that swap usage can grow to 100Mb... yet the buffers and > cache remain at astoundingly high levels. > > I can actually see memory to cache

bdflush or others affecting disk cache

2004-04-18 Thread Jason Lim
Hi all, I've been banging my head on this one for a while now on a 2.4.20 system. Here is the output of top: Mem: 1027212K av, 1018600K used,8612K free, 0K shrd, 70728K buff Swap: 2097136K av, 35556K used, 2061580K free 690140K cached and the output of free: