Cache Memory in top command

[Bas Smeelen]

_____  

From: Bas Smeelen [mailto:b.smeelen at ose.nl]
To: freebsd-questions at freebsd.org
Sent: Thu, 30 Sep 2010 14:44:57 +0200
Subject: Re: Cache Memory in top command

On 09/30/2010 01:37 PM, RW wrote:
  > On Thu, 30 Sep 2010 09:24:58 +0200
  > Bas Smeelen <b.smeelen at ose.nl> wrote:
  >
  >
  >   
  >> *Wired:* number of pages wired down, including cached file data pages
  >>     
  > That refers to buffer pages (displayed as Buf), which are a subset of
  > the cached file data pages.
  >
  > The pages in the cache queue are not specifically cached file data
  > pages, they are clean pages from any source, including pages that have
  > been written to swap.

  Thanks. I got this completely wrong, though I have read the FAQ a few years ago.
http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/misc.html#TOP-FREEMEM
The values shown by top(1) labeled as Inact, Cache, and Buf are all cached data at different aging levels.  


DISCLAIMER: This e-mail is for the intended recipient(s) only. Access, disclosure, copying,
distribution or reliance on any of it by anyone else is prohibited. If you have received it
by mistake please let us know by reply and then delete it from your system.