[CentOS] Centos/Linux Disk Caching, might be OT in some ways

Les Mikesell lesmikesell at gmail.com
Mon Jan 25 01:52:22 UTC 2010


nate wrote:
> Noob Centos Admin wrote:
>> I'm trying to optimize some database app running on a CentOS server
>> and wanted to confirm some things about the disk/file caching
>> mechanism.
> 
> If you want a fast database forget about file system caching,
> use Direct I/O and put your memory to better use - application
> level caching.

Or - if you are doing something like serving web content that can be a bit stale 
you might put memcache in front of the DB with a few changes in the client access.

-- 
   Les Mikesell
     lesmikesell at gmail.com



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