clients-per-query
WBrown at e1b.org
WBrown at e1b.org
Wed Apr 10 14:15:07 UTC 2013
> From: Dwayne Hottinger <dhottinger at harrisonburg.k12.va.us>
> I keep seeing messages in my named.log file that say things
> like clients-per-query increased to 30, then later it says clients-
> per-query decreased to a lower number. When this happens, lookups
> seem to not be working. What is an acceptable value for a large
network?
For the same reason it was increased to 15 in this thread:
https://lists.isc.org/pipermail/bind-users/2013-April/090402.html
Do you have a bottleneck on your queries to authoritative servers? If
your recursive server can't resolve it for the first few clients that ask
the question, it queues the query for subsequent clients that ask the same
question. And it can't respond to any of them until it receives the
answer from the authoritative server.
What do your client queries look like? Have you turned on query logging
to see what the clients are trying to resolve? Which are your top
clients? Did you do something to the cache settings? How many clients
are you trying to support?
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