Both sendmail and sshd in the default config do reverse DNS lookups on
client ip adresses. Waiting for failed lookups to timeout can be annoying.
At 01:21 PM 2/28/2002, you wrote:
In addition, sshing to the server can take several minutes before receiving
a login prompt. What is strange to me is the following 'top' information.
I would expect to see something besides just a 2% interrupt, so I'm thinking
the problem lies therein, but I do not know how to troubleshoot it. Could
this be a hardware problem? Perhaps writing to the disk (new email outgoing)
cannot perform as fast as simply reading from the disk (checking email)?
Rickie S. Kerndt
Santa Clara, CA
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