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