Hi , Probably you can use the O_DIRECT flag to bypass the cache subsystem . Cheers! --- Tulsi Ram Mayala <tulsi_rammayala@persistent.co.in> wrote: > Thanks Marc! > This is a scary issue. I know that the files written > by my application > will not be read frequently (Only a very small > percentage of them will be > read). Can I programmatically OR using some system > configuration, disable > read cache on per file/process/systemwide basis? > > -Tulsi Ram. > > > On Wednesday 05 May 2004 03:04, Tulsi Ram Mayala > wrote: > > > > Hi Tulsi, > > > >> 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. > > > > I don't know what Kernel RH 7.2 is using, but > maybe it's all related to > > this: > > > > > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=89226 > > > > ciao, Marc > > > > > -- > Kernelnewbies: Help each other learn about the Linux > kernel. > Archive: > http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > ________________________________________________________________________ Yahoo! India Matrimony: Find your partner online. http://yahoo.shaadi.com/india-matrimony/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
