Re: Fwd: Re: Buffers VS Page Cache

2011-02-14 Thread George Shuklin
When I say 'almost no documentation' I means "every article I found about /proc/meminfo do not describe difference between Cache and Buffers". For book link - thanks. I believe if nothing will be in it, thats means something like 'linux console code'. I hope it not. Thanks again. В Вс., 13/02/

Re: Buffers VS Page Cache

2011-02-13 Thread Stan Hoeppner
George Shuklin put forth on 2/12/2011 7:46 PM: > Good day. > > I'm trying to understand difference between Buffers and Page Cache in Linux, > but > found almost no documentation. > > As far as I understand buffers and Page Cache serves same purpose: they save > recent reed/written pages and allo

Re: Fwd: Re: Buffers VS Page Cache

2011-02-13 Thread John A. Sullivan III
On Sun, 2011-02-13 at 15:21 -0600, Boyd Stephen Smith Jr. wrote: > In <4d58173b.7050...@gmail.com>, George Shuklin wrote: > >What data stored in Buffers area, and what data a stored in Cached area? > >And what difference between them? > > > >If you know at least one article in kernels sources/Docum

Re: Fwd: Re: Buffers VS Page Cache

2011-02-13 Thread Boyd Stephen Smith Jr.
In <201102131521.18065@iguanasuicide.net>, Boyd Stephen Smith Jr. wrote: >Both types of memory are effectively free. Cache can be dropped >willy-nilly. Buffers can be reclaimed by waiting for their I/O to complete. > Both of these actions are done automatically by the kernel when >application

Re: Fwd: Re: Buffers VS Page Cache

2011-02-13 Thread Henrique de Moraes Holschuh
On Sun, 13 Feb 2011, Chris Jones wrote: > Well http://www.google.com/search?q=linux+meminfo gives 137,000 results. > > Are you suggesting I do your research for you? This is not an easy question to answer, a search won't help if the person has no clue about the Linux VM. This is a question for t

Re: Fwd: Re: Buffers VS Page Cache

2011-02-13 Thread Boyd Stephen Smith Jr.
In <4d58173b.7050...@gmail.com>, George Shuklin wrote: >What data stored in Buffers area, and what data a stored in Cached area? >And what difference between them? > >If you know at least one article in kernels sources/Documentation >folder, or anywhere in Internet, I'll read it gladly. http://www

Re: Fwd: Re: Buffers VS Page Cache

2011-02-13 Thread Chris Jones
On Sun, Feb 13, 2011 at 12:39:07PM EST, George Shuklin wrote: > I have started my post from sentence 'almost no documentation'. > > Ok, I repeat my question in most simple form: > > cat /proc/meminfo > MemTotal:8197852 kB > MemFree: 89764 kB > Buffers: 16436 kB > Cached

Fwd: Re: Buffers VS Page Cache

2011-02-13 Thread George Shuklin
hat data a stored in Cached area? And what difference between them? If you know at least one article in kernels sources/Documentation folder, or anywhere in Internet, I'll read it gladly. I found nothing till this moment. Original Message Subject: Re: Buffers VS Pa

Re: Buffers VS Page Cache

2011-02-13 Thread Chris Jones
On Sat, Feb 12, 2011 at 08:46:40PM EST, George Shuklin wrote: > Good day. > > I'm trying to understand difference between Buffers and Page Cache in > Linux, but found almost no documentation. Where ‘in Linux’..? What exactly are you looking at..? > As far as I understand buffers and Page Cach

Buffers VS Page Cache

2011-02-12 Thread George Shuklin
Good day. I'm trying to understand difference between Buffers and Page Cache in Linux, but found almost no documentation. As far as I understand buffers and Page Cache serves same purpose: they save recent reed/written pages and allow to reduce amount of actual IO. So, the questions: 1) Wh