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List:       linux-nfsv4
Subject:    Problems with Opera - NFSv4 performance?
From:       gs () ilsb ! tuwien ! ac ! at (Gerhard Schneider)
Date:       2005-04-28 3:14:39
Message-ID: 1114672458.3231.3.camel () ilfb02 ! ilsb ! tuwien ! ac ! at
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On Wed, 2005-04-27 at 15:07 -0400, J. Bruce Fields wrote:

> 
> So, could you let me know if applying something like the following patch
> (untested, but seems trivial enough...) on the clients helps?--b.
> 
> ---
> 
>  linux-2.6.12-rc3-bfields/fs/nfs/nfs4proc.c |    2 +-
>  1 files changed, 1 insertion(+), 1 deletion(-)
> 
> diff -puN fs/nfs/nfs4proc.c~quick-client-delay-hack fs/nfs/nfs4proc.c
> --- linux-2.6.12-rc3/fs/nfs/nfs4proc.c~quick-client-delay-hack	2005-04-27 14:38:13.000000000 -0400
> +++ linux-2.6.12-rc3-bfields/fs/nfs/nfs4proc.c	2005-04-27 14:39:38.000000000 -0400
> @@ -54,7 +54,7 @@
>  
>  #define NFSDBG_FACILITY		NFSDBG_PROC
>  
> -#define NFS4_POLL_RETRY_MIN	(1*HZ)
> +#define NFS4_POLL_RETRY_MIN	(HZ >> 4)
>  #define NFS4_POLL_RETRY_MAX	(15*HZ)
>  
>  static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
> _

The Opera problem is solved w/ that workaround (automatic startup ->
display -> shutdown of opera http://www.cnn.com is 2 times faster).

My 3 field testers are still testing, no negative messages till now.

Thank you!
                                    Gerhard Schneider

-- 
Gerhard Schneider
Institute of Lightweight Design and          e-Mail:gs@ilsb.tuwien.ac.at
Structural Biomechanics (E317)               Tel.:   +43 1 58801 31716
Vienna University of Technology / Austria    Fax:    +43 1 58801 31799
A-1040 Wien, Gusshausstrasse 27-29    http://www.ilsb.tuwien.ac.at/~gs/

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