ns_resp: TCP truncated

[Jim Reid]

>>>>> "Tony" == Tony Harris <tharris at cts.com> writes:

    Tony> Another issue on this nameserver is the CPU usage for named.
    Tony> It has always run between 2% - 4% but starting on the 25th I
    Tony> have found it at 90%+ leaving the system at 0.0% idle.  By
    Tony> running an ndc restart it seems to go back down to normal
    Tony> for a while.  However, it occasionally jumps back up there.

Point your system call trace utility - ktrace, truss, trace or
whatever - at this process and see what it's getting up to. Name
servers are usually not CPU bound, unless you're doing lots of secure
DNS or, like the Internet root servers, they get thousands of queries
a second.