Messages in this thread | | | Date | Thu, 10 Jan 2002 16:37:42 +0100 | From | Andrea Arcangeli <> | Subject | Re: [BUG] Error reading multiple large files |
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On Mon, Jan 07, 2002 at 07:45:57PM +0100, Roy Sigurd Karlsbakk wrote: > Hi all > > I've sent this before, but as far as I can see, nothing's changed. > > I'm having problems reading multiple large files at once. Reading 100 1GB > files at once. > > What happens is, when the buffer cache gets filled up, it all stalls, and > transfer speed drops from 40-50 MB/s to a mere 2MB/s. > > This has been tested on all versions from 2.4.16-2.4.18-pre1.
please try to reproduce on 2.4.18pre2aa2:
ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.18pre2aa2.bz2
> > I've been testing Tux, Khttpd, apache 1.3.22, Apache 2, thttpd, cp and > dd to verify the bug.
tux latest version is just included in -aa. please don't apply any incremental patch before testing 18pre2aa2 to be sure the problem is not introduced by some other patch.
> > Please help! > > roy > > -- > Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA > > Computers are like air conditioners. > They stop working when you open Windows. > > - > 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/
Andrea - 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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