On Mar 31, 2011, at 9:20 AM, Charles Polisher wrote:

> Try rsync again, adding these options to your invocation:
>   --bwlimit=0 --whole-file

Also consider --sockopts, as your network stack may limit the amount of data 
you can have in flight:

  rsync --sockopts=SO_SNDBUF=4000000,SO_RCVBUF=4000000 ...

Also, you may need to tune the OS to allow applications to request buffers that 
size.  For Solaris, something like:

  ndd -set /dev/tcp tcp_max_buf 4000000

(Maybe?  I'm not a Solaris guy).  See:

  http://www.psc.edu/networking/projects/tcptune/#Solaris

for more suggestions.

Jason

--
Jason Healy    |    jhe...@logn.net    |   http://www.logn.net/




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