Messages in this thread | | | Date | Sat, 29 Mar 2003 00:12:48 +0100 | From | Pavel Machek <> | Subject | Re: Delaying writes to disk when there's no need |
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Hi!
> In all kernels I've tested writes to disk are delayed a long time even when > there's no need to do so. > > A very simple test shows this: on an otherwise idle system, create a tar of > a NFS-mounted filesystem to a local disk. The kernel starts writing out the > data after 30 seconds, while a slow and steady stream would be much nicer > to the system, I think. >
Well, doing writeback sooner when disks are idle might be good idea; detecting if disk is idle might not be too easy, through.
OTOH, raid resync already has some such detection? Pavel -- Pavel Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need...
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