Unexpected First Lookup Delay

Tom Schmitt TomSchmitt at gmx.de
Fri Sep 22 07:46:51 UTC 2006


I have the same problem (and solved) but running another platform so it may not be related.

I'm running Bind9 on Solaris10 and had exact the same problem. After a lot of tracing I discovered that it wasn't a Bind-problem at all: The routing of Solaris10 was buggy, so (even though the system knows its static defaultroute) any time a query from a new direction came, the server needs very long to make up his mind about the right route to use and in this time the udp-packets where simply not created.
The solution was a Patch from Sun this summer.

If Linux have a similar problem, you should see the same delay with other udp-applications.


-------- Original-Nachricht --------
Datum: Thu, 21 Sep 2006 12:46:52 -0500 (CDT)
Von: Blair Copeland <copeland at unt.edu>
An: bind9-users at isc.org
Betreff: Unexpected First Lookup Delay

> I am running Debina 2.6 servers with Bind 9 code and I get an
> intermittent delay of up to 4.5 seconds the first time a given lookup
> occurs.

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