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Linux disk caching

Hi all,

I need some help to disable disk caching on Red Hat linux 7.2 (kernel 2.4).

I run a server application on this system with 2 Gigs of RAM. The server
application does a lot of disk IO and with time, the linux system consumes
all of available memory in cache and buffers thus leaving no space for the
processes to grow. The system starts swapping and slows down my server
application.

I need some way to limit/disable the disk caching. My application does
both disk read and write intensive operations.

Any pointers will be appreciated.
Thanx in advance.

-Tulsi Ram.

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