OT: cached memory
Mike Hoskins
michoski at cisco.com
Wed Jun 13 18:00:44 UTC 2012
this is a common source of confusion and more of a linuxism...it will fill
all available memory with cache, and reclaim as needed. you can adjust it
somewhat with various sysctls.
http://www.linuxhowtos.org/System/Linux%20Memory%20Management.htm
-----Original Message-----
From: Dan Letkeman <danletkeman at gmail.com>
Date: Wednesday, June 13, 2012 10:50 AM
To: bind-users <bind-users at lists.isc.org>
Subject: OT: cached memory
>Hello,
>
>Just wondering if anyone has a real world example of how much cached
>memory a server really needs?
>
>If I run the command "free -m" it shows that it is using all of the
>memory on the server and most of it is cached. I understand the
>concept and the reasoning, but what I would like to know is how much
>is a reasonable amount to have? I am assuming that if I gave this
>server 10 times the amount it would eventually cache that as well.
>
>
> total used free shared buffers
>cached
>Mem: 3017 2961 56 0 158 2434
>-/+ buffers/cache: 368 2649
>Swap: 5023 0 5023
>
>
>Thanks,
>Dan.
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