named: error sending response: not enough free resources
Chris St Denis
chris at smartt.com
Fri Jun 5 23:04:30 UTC 2009
Steve Bertrand wrote:
> Chris St Denis wrote:
>> Steve Bertrand wrote:
>>> What type of device is em1 attached to? Is it a switch or a hub? Is it
>>> possible to upgrade this? You should upgrade it to 100 (or 1000)
>>> anyways. Does this device show any collisions?
>> This is a dedicated server in a datacenter. I don't know the exact
>> switch specs but it's likely a
>> layer 2/3 managed switch. Probably a 1U catalyst.
> Do you force 10Mb on your NIC, or do you auto-negotiate that?
> Perhaps before you pay a higher fee, your colo centre could allow you to
> connect to a 100Mb port (with perhaps some traffic policing) so you, as
> a client, could quickly verify if you want to scale up to their next
> tier without having to spend these up-front costs on troubleshooting
> this back-asswards.
>> I can upgrade the connection to 100mbps for a small monthly fee. I've
>> left it at 10 because I haven't
>> had a need, but with traffic recently growing, this is probably the problem.
> Tell the colo that. Tell them you need to test their next tier of service!
>>> # mail -s "tcpdump output" steve at ipv6canada.com < /var/log/dns.pcap
>> I don't think this is necessary. If cutting down the http traffic or
>> raising the port speed doesn't
>> fix it, I'll look into further debugging with this.
> ...one more time, don't attempt to throttle your own traffic to
> troubleshoot what looks like a throughput bottleneck.
> Start with the collocation provider. They should, for free, allow you to
> have a testing period with their next service tier. Hopefully, they can
> do it without having to swap your Ethernet cable into another device.
> If it works during the test, then a small 'migration' and monthly
> upgrade fee would be acceptable (if they choose).
The problem was resolved by switching to 100Mbps.
It's interesting that bind is all that complains about the bandwidth
exhaustion, but I guess it's about my only use of UDP and TCP is better
able to handle this kind of issue so doesn't complain.
Chris St Denis
Ph: 604-473-9700 Ext. 200
"Smart Internet Solutions For Businesses"
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