Bui Minh Truong wrote:
Hi Thanks for your replying.
Can you give more details : what's the ssh machine you're logging into
(OS and version of ssh, and perhaps the amount of encryption you're
doing).
Two of my machines are T-2000 ( Sun servers) running Sparc Solaris.
How fast is the network between the two machines ?
Network is good too. LAN with broadband.
Does "ssh -v" tell you any more ?
I don't think problem is ZFS send/recv. I think it's take a lot of time to
connect over SSH. I tried to access SSH by typing: ssh remote_machine. It
also takes serveral seconds( one or a half second) to connect. Maybe
because of Solaris SSH. If you have 100files, it may take : 1000 x 0.5 =
500seconds
Not necessarily the correct conclusion to make.
So that I gave up that solution. I wrote 2 pieces of perl script: client
and server. Their roles are similar to ssh and sshd, then I can connect
faster.
Are your perl scripts doing name lookups? Is your DNS server external
to either of your client / server machines?
Do you have any suggestions?
Yes, get some real statistics which actually measure what is going
on with your system. I suggest you make use of Brendan Gregg's
DTrace Toolkit (http://www.brendangregg.com/dtrace.html#DTraceToolkit)
James C. McPherson
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