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SubjectRe: 2.2.0 wishlist
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ig25@fg70.rz.uni-karlsruhe.de (Thomas Koenig) writes:
>
>
> WISHLIST FOR LINUX 2.2.0
>
> Now that Linux 2.0 is out, it's time for another round of Request For
> Features.

NFS write clustering/coalescing/biod, OH PLEASE

As far as I'm concerned, this is the main feature Linux lacks relative to
other Unices, and makes life in a heterogeneous NFS network extremely
painful.

Sparc 1 running SunOS 4 server:
Linux 2.0 client, iozone with 512 byte blocks:

IOZONE performance measurements:
11933 bytes/second for writing the file <------- ** OUCH! **
800439 bytes/second for reading the file
Linux 2.0 client, iozone with 8192 byte blocks:

IOZONE performance measurements:
119837 bytes/second for writing the file
825650 bytes/second for reading the file

SunOS 4 client, iozone with 512 byte blocks:

IOZONE performance measurements:
138104 bytes/second for writing the file
4714672 bytes/second for reading the file

SunOS 4 client, iozone with 8192 byte blocks:

IOZONE performance measurements:
163806 bytes/second for writing the file
13875189 bytes/second for reading the file

Jason


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