From: Scott Palmer (scott@thewebsolutions.com)
Date: Wed Jul 31 2002 - 16:31:03 EDT
Thanks for those who replied so far. But, I have checked DNS and that is
not the issue. The machine I telnet from is a known machine on the local
network. When the load is at 30 or less the response is instant.
Plus I did some various reverse/forward lookups to make sure.
Thanks again
Scott
Scott Palmer said:
> Hello Guru's
>
> We have a Sun server with 4-360's that is running as our mail server.
> It is running Sol8. When the load on the machine gets to about 35
> telneting to both 110 and 25 take over 15 seconds. When sshed into the
> machine various commands execute without a problem. (IE ls, top, etc..)
> As this problem happens to both sendmail and qpopper at the same time I
> have eliminated the services. And since local commands execute without
> any trouble I have eliminated overloaded CPU's. Unless I am crazy I do
> not feel a load avg of 35 is much for this machine.
> So that left me with TCP, I have made the following changes:
>
> tcp_xmit_hiwat 65535
> tcp_recv_hiwat 65535
> tcp_cwnd_max 65534
> tcp_conn_req_max_q 1024
> tcp_conn_req_max_q0 8192
>
> But, those did not help matters. Any ideas?
>
> Thanks in advance, Scott
>
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