2-4 second delay from superuser to root servers
Sajed Naseem
naseems at stjohns.edu
Fri Oct 14 14:05:54 UTC 2005
Hello,
I am running 5.8 Generic_117350-26 (Sunblade 1600) and Bind 9.2.5. I
have a 2-3 second delay from the root prompt to do an nslookup for a
domain which is not in the server's cache. There is a 2-3 second
blackout before a response is received. There is about a 4 second delay
from a desktop (I am assuming network traffic). Once the record is
received, the response is obviously immediate (cache). I don't know
what the problem is. Any help would be greatly appreciated.
Named.conf:
//
directory "/var/named";
// query-source address * port 53;
pid-file "/var/run/named.pid";
statistics-file "/var/run/named.stats";
// stacksize 30M;
// datasize 20M;
auth-nxdomain yes; // v9 wants this?
allow-transfer { x.x.x.x; x.x.x.x; x.x.x.x; x.x.x.x;
x.x.x.x; }; // this limits ALL zones
transfer-format many-answers; // faster tranfers
version "djbdns"; // hide BIND version
//
// forwarders { x.x.x.x; x.x.x.x; x.x.x.x; x.x.x.x
; x.x.x.x; };
recursion yes;
//
// forward only;
};
Ps -ef:
named 13199 1 0 09:26:03 ? 0:28 /opt/bind/sbin/named -u
named -t /dns/chroot
/etc/init.d/dns:
#!/bin/sh
case $1 in
'start' )
/opt/bind/sbin/named -u named -t /dns/chroot
;;
'stop' )
kill `ps -ef | grep named | grep -v grep | awk '{print $2}'` >
/dev/null 2>&1
;;
*)
echo "usage: $0 {start|stop}"
esac
Sajed Naseem
St. John's University
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