[Pvfs2-users] What is hindering scaling ?

[belcampo]

On 06/21/11 13:14, Emmanuel Florac wrote:
> Le Tue, 21 Jun 2011 10:05:14 +0200
> belcampo<belcampo at zonnet.nl>  écrivait:
>
>> If 2 copy commands with pvfs2-cp/cp/rsync from the 2 netbooks are
>> initiatiated to an 1Gb/s connected client which is also acts as
>> nfs-server it also should work I assume.
>
> Yes, Exactly. A PVFS client can talk directly to both servers. See the
> schema:
>
>
>
>
>                        netbook 1         netbook 2
>                          __  _             __  _
>                         [__]|=|           [__]|=|
>                         /::/|_|           /::/|_|
>                           |                |
>                           |                |
>               100 Mb/s    |                |100 Mb/s
>               of pvfs data|                |of pvfs data
>                           |   ____   __    |
>                           |  |    | |==|   |
>                           '->|____| |  |<--'
>                              /::::/ |__|
>                             pvfs client
>                             receiving 200 Mb/s
>
> This pvfs client could then serve 200Mb/s worth of NFS to the network.
>
> regards,
Thanks a LOT, I'm very pleased.

Did some other testing:

Installed the pvfs2-client part on the fat client and it does scale well.
rsync throughput is 114Mb/s
pvfs2-cp throughput is 165Gb/s
and even over pvfs2fuse does 165Gb/s