bind-9.10.0-P2 memory leak?

Mike Hoskins (michoski) michoski at
Tue Sep 9 14:22:24 UTC 2014

Do you guys have max-cache-size set?  I didn't see it in the borderworlds
named.conf.  I've seen similar growth problems when testing 9.x before
setting that (experiment at the time just to see what would happen, and
confirmed this behavior).  Set sensible resource limits based on available

-----Original Message-----
From: Vinícius Ferrão <ferrao at>
Date: Tuesday, September 9, 2014 at 10:17 AM
To: Thomas Schulz <schulz at>
Cc: "bind-users at" <bind-users at>
Subject: Re: bind-9.10.0-P2 memory leak?

>I'm having the exactly same issue. Take a look at my post @ServerFault:
>Sent from my iPhone
>On 09/09/2014, at 11:15, "Thomas Schulz" <schulz at> wrote:
>>> Hello
>>> I recently upgraded my authoritative nameservers to bind-9.10.0-P2 and
>>> after a while one of them ended up using all its swap and the named
>>> process got killed. The other servers are seeing similar behaviour,
>>> I restarted named on all of them to postpone further crashes.
>>> I am using rate-limiting as well DLZ with PostgreSQL. The server has
>>> views. The operating system is FreeBSD 8.4.
>>> My configuration:
>>> Log of the memory usage:
>>> As you can see, in less than a week, named has grown more than 900MB
>>> size.
>>> Is anyone else experiencing something similar?
>>> If I need to provide more information, I will be happy to do so.
>>> -- 
>>> Christian Laursen
>> What version did you upgrade from? I am seeing bind 9.9.5 and 9.9.6
>> grow without any evidence that it will ever stop. See my mail to this
>> list with the subject "Re: Process size versus cache size." Mine is
>> growing slower than yours, but it is now up to 548 MB.
>> Tom Schulz
>> Applied Dynamics Intl.
>> schulz at
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