mikeb at netnation.com
Tue Apr 8 22:07:25 UTC 2003
We use a perl script and xinetd on each server, then simply echo some
commands to a specified port on each server.
On Tue, 2003-04-08 at 13:50, Dan Durrer wrote:
> Sorry for the delayed response.. In regards to pdns_control purge, this
> is cool for the master server. But it seems to me that we would need to
> run this command on each server right? How do you solve this issue?
> -----Original Message-----
> From: Mike Benoit [mailto:mikeb at netnation.com]
> Sent: Friday, April 04, 2003 12:17 PM
> To: Dan Durrer
> Cc: pdns-users at mailman.powerdns.com
> Subject: Re: [Pdns-users] Performance?
> With that many updates, make sure you use InnoDB table types. This will
> give you row level locking, and probably the only way MySQL will work
> for you. Alternatively use PostgreSQL, though it may be slightly slower.
> Uptime: 28.1 days Queries/second, 1, 5, 10 minute averages: 106, 102,
> 102. Max queries/second: 950
> Our nameservers are PIII-866's running PDNS, and PostgreSQL on the same
> box, it handles spikes without much problem at all. The key of course is
> in the caching values you set. We set our cache to timeout after 1day,
> but to still get instant updates, we simply push cache expiration
> commands to PDNS. (pdns_control purge www2.blah.com) This gives you the
> best of both worlds and you should be able to scale PDNS well past
> thousands of queries/sec.
> On Thu, 2003-04-03 at 15:26, Dan Durrer wrote:
> > Hello,
> > We are considering using PowerDNS for a service we offer. Currently
> > we are using BIND 9. My question is just how well does this software
> > perform under heavy load? Are we going to run into MySQL limitations?
> > We heavily use the dynamic update feature of bind. Processing roughly
> > 300/updates a minute. Our primary dns server answers about 480
> > queries/sec. One big concern I have with BIND is that after it has
> > been running for a few hours it can take up to 15 minutes to
> > completely shut down, due to all the journal files that get synced.
> > Anyone out there care to share there experiences with powerDNS and it
> > ability to handle high traffic? Additionally does MySQL replication
> > master/slave scenario use more or less bandwidth than a bind IXFR
> > based system?
> > Thank you,
> > Dan
> > _______________________________________________
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> > Pdns-users at mailman.powerdns.com
> > http://mailman.powerdns.com/mailman/listinfo/pdns-users
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