Still named resolver problems

Barry Margolin barmar at bbnplanet.com
Mon Dec 27 18:06:29 UTC 1999


In article <946316916.3867a67438bcc at webmail.ftl.com>,
Mike Smith  <mike at ftl.com> wrote:
> It seems from my readings that datasize limits will do nothing for us ??? I 
>would expect it to clean itself up when the datasize limit is reached. But that 
>doesn't seem to be the case. I have left out the datasize statement in the 
>named.conf for such reason. The machines are running Redhat 6.0 with 128M and a 
>450Mhz processor. The only thing running on the boxes is sshd and named. 

Setting a datasize limit just causes named to crash when it uses up that
much memory.  You could run named from a script that automatically restarts
it:

while /bin/true; do
  named
done

> Any suggestions would be great.....I guess upping the RAM would help, but was 
>looking for something that might be a little less costly.

Nope.  The current implementation of named is very dependent on having the
entire cache in RAM.  If it has to page it out, performance drops like a
rock.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.



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