Messages in this thread | | | Date | Wed, 05 Dec 2001 12:16:27 -0800 | From | Andrew Morton <> | Subject | Re: io scheduling / serializing io requests / readahead |
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Roy Sigurd Karlsbakk wrote: > > hi > > Are there any ways to tell Linux to use some sort of readahead > functionality that'll give me the ability to schedule I/O more loosely, so > some 100 files can be read concurrently without ruining the system by > seeking all the time?
There's a new system call sys_readhead() which may provide what you want.
A simple alternative is to just cat each file, one at a time onto /dev/null before the application starts up.
> I've tried to alter /proc/sys/vm/(min|max)-readahead, but it doesn't have > any effect... >
Yup. We covered that in the other thread. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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