Memory Reduction

Frank Frank at duranicub.sytes.net
Tue Aug 20 21:57:11 UTC 2002


Am Die, 2002-08-20 um 19.30 schrieb Pete Ehlke:
> 
> On Tue, Aug 20, 2002 at 08:55:55PM +0000, Frank wrote:
> > 
> > Am Die, 2002-08-20 um 18.49 schrieb Pete Ehlke:
> > > On Tue, Aug 20, 2002 at 08:37:42PM +0000, Frank wrote:
> > > > 
> > > > please how can i reduce the Memory allocation of a Bind 9.21
> > > > caching-only Server reducing ?
> > > > 
> > > > 25459 named     15   0 37548  36M  1908 S     0,0 14,6   0:00 named
> > > > 25460 named     15   0 37548  36M  1908 S     0,0 14,6   0:51 named
> > > > 25461 named     15   0 37548  36M  1908 S     0,0 14,6   0:00 named
> > > > 25462 named     15   0 37548  36M  1908 S     0,0 14,6   0:00 named
> > > > 25457 named     16   0 37548  36M  1908 S     0,0 14,6   0:00 named
> > > > 
> > > > restarted, about 2 minutes. most it has much more memory in use.
> > > > 
> > > Looks like you're running linux. Remember that linux shows threads as
> > > processes, so if you're adding all those memory totals together, you're
> > > getting a figure that's five times as large as the real memory usage on
> > > this machine.
> > > 
> > > For a caching server in use in a corporate environment, that's not all
> > > that much memory usage. How much ram is in the machine?
> >
> > 256MB
> > 
> > it swaps to ~60MB, but if i /etc/init.d/named restart the Swap Usage is
> > only 5MB. I heard about djbdns, because for a cachning ONLY Server its
> > me to much wastefulness.
> > 
>
> 36 Mb on a 256 Mb machine is quite light for a resolver host. If it's
> causing you to page (or even to swap), something else is eating an awful
> lot of memory. What else do you have running on this machine?
> 

The Problem is, named eats always more Usage ... even if i set coresize
5M; datasize 5M; stacksize 5M;

there is running, Postfix, Apache, Courier-Imap/sqwebmail, NFS,Proftpd
...

but the Mainpoint for me is the HIGH Memory Usage of Named. How said, if
i restart named, the swapping goes by.

--
Frank



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