1.5GB limit?

[Mark Andrews]

> Hello,
> 
> is there a limit around 1.5GB of RAM in Bind 9.3.2?

	No.  Just make sure you have built a 64 bit process.
	The default build is 32 bit.

> I can see that 
> memory consumption of 'named' process goes up until it reaches approx 
> 1.5GB. Then it stops and I can see that there are UDP packets being 
> thrown away (yes, I've already written here about that - problem with 
> ACLs seem to be solved, the situation is better, but still not good). I 
> have only some basic settings in named.conf and this server acts as 
> cache/recursive DNS. Am I doing something wrong?
> 
> Dual Opteron, 6GB RAM (4GB free all the time :-( ), RedHat Enterprise 
> Linux 4, 2.6.9-34.ELsmp kernel.
> 
> options {
>          directory "/var/named";
>          dump-file "/var/named/data/cache_dump.db";
>          statistics-file "/var/named/data/named-stats.log";
>          recursing-file "/var/named/data/named.recursing";
>           allow-recursion { 127/8; 194.228/16; 192.168/16; 172.16/12; 
> 10/8; 80.188/16; 160.218/16; 212.65.210.202/32; 193.109.182.62/32; 
> 83.208/16; 85.70/15; 88.100/14; };
>           notify no;
>           recursion yes;
>           cleaning-interval 60;
>           interface-interval 0;
>           recursive-clients 150000;
>           serial-query-rate 5;
>           datasize 4G;
> };
> 
> controls {
>          inet 127.0.0.1 allow { localhost; } keys { rndckey; };
> };
> 
> logging {
>    channel sys {
>      file "/var/log/named/sys.log";
>      severity info;
>      print-time yes;
>    };
> 
>    category config {
>      sys;
>    };
>    category default {
>      sys;
>    };
>    category lame-servers {
>      null;
>    };
> };
> 
> ...and several zones that I want to respond immediately with NXDOMAIN 
> (zone file with just SOA and NS to localhost)
> 
> [root at dns3 ~]# netstat -s |grep "packet receive error"
>      674236828 packet receive errors
> 
> Thanks!
> 
> -- 
> ***********************************************************************
> Pavel Urban (pavel.urban at ct.cz)
> IOL system disaster (www.iol.cz)
> Telefonica O2 Czech Republic, a.s. - www.telecom.cz
> ***********************************************************************
>     Vegetables should not operate electronic equipment.
>            Computer Stupidities, http://rinkworks.com/stupid/
> ***********************************************************************
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org