[CentOS] kbcached tuning on CentOS 4

[Feizhou]

> Regarding performance, this isn't much of a concern, although this host
> is intermittently hit with large work loads (which is why the kernel
> cache reaches the point of consuming all memory) which consume much
> memory, and another thought was that when these sporadic work loads
> proceed, there would be a slight performance hit waiting for free memory
> to be available as the cache is cleared.
> 
> If this thought is misguided please let me know.  Either way, what would
> be the correct method for tuning the kernel parameters?


The Linux kernel provides very little parameters for the vm. For what it 
is worth, go read 
/usr/share/doc/kernel-doc-2.6.9/Documentation/sysctl/vm.txt

You will get this file after installing the kernel-doc package.