Re: Memory pressure handling with iSCSI
From: Badari Pulavarty (pbadari_at_us.ibm.com)
Date: 07/26/05
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To: Andrew Morton <akpm@osdl.org> Date: Tue, 26 Jul 2005 13:36:56 -0700
On Tue, 2005-07-26 at 12:12 -0700, Andrew Morton wrote:
> Andrew Morton <akpm@osdl.org> wrote:
> >
> > Can you please reduce the number of filesystems, see if that reduces the
> > dirty levels?
>
> Also, it's conceivable that ext3 is implicated here, so it might be saner
> to perform initial investigation on ext2.
>
> (when kjournald writes back a page via its buffers, the page remains
> "dirty" as far as the VFS is concerned. Later, someone tries to do a
> writepage() on it and we'll discover the buffers' cleanness and the page
> will be cleaned without any I/O being performed. All the throttling
> _should_ work OK in this case. But ext2 is more straightforward.)
I will try ext2 next.
- Badari
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- Previous message: Michel Bouissou: "Re: [SOLVED ?] VIA KT400 + Kernel 2.6.12 + IO-APIC + ehci_hcd = IRQ trouble"
- In reply to: Andrew Morton: "Re: Memory pressure handling with iSCSI"
- Next in thread: Badari Pulavarty: "Re: Memory pressure handling with iSCSI"
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