[nsd-users] Excessive AXFR's with 4.0.3 (and 4.0.4-dev)
Ask Bjørn Hansen
ask at develooper.com
Wed May 28 14:45:01 UTC 2014
On May 28, 2014, at 1:35 AM, W.C.A. Wijngaards <wouter at nlnetlabs.nl> wrote:
> So what is nsd-control zonestatus develooper.org ?
I made the develooper.org refresh much larger and don’t see the frequent transfers anymore, however I left some other domains with the shorter refresh.
zone: ajaxjobs.com
state: ok
served-serial: "2009020704 since 2014-05-28T14:37:42"
commit-serial: "2009020704 since 2014-05-28T14:37:42"
> What could have happened is that your master send a notify to NSD
> without a serial number in the notify of the new SOA, nsd is now
> searching for the 'improved zone' which supposedly exists somewhere,
> but it cannot find it. Hence it is using the retry timer, because the
> zone that it was notified about (something with a better serial) does
> not exist.
>
> If you send a notify with a serial number in the NOTIFY message (I
> think a SOA record in the additional section, with the serial number
> of the zone that is to be found), then nsd will stop looking, or know
> that the notify is spurious if that serial is old.
Interesting. In this case after trying all masters X times (where X=1 would be reasonable, I think) wouldn’t it be acceptable to say “I checked and we have the latest zone; NOTIFY again back if you want me to check once more”?
Another question — each time it tries it opens several connections to each master. Is that really necessary/intended?
Finally — the zone is configured with "request-xfr: UDP …”, but it seems it only does that if there has ever been an update to the zone (that’s my guess looking at the logs, I didn’t test it).
pattern:
name: “standard"
allow-notify: 94.242.223.201 key-207.171.3.9
request-xfr: UDP 94.242.223.201 key-207.171.3.9
allow-notify: 207.171.7.80 key-207.171.3.9
request-xfr: UDP 207.171.7.80 key-207.171.3.9
zone:
name: "ajaxjobs.com"
include-pattern: "standard"
[2014-05-28 14:33:04.339] nsd[20452]: info: xfrd: zone ajaxjobs.com timeout
[2014-05-28 14:33:04.339] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 0 mr 0 nx -1
[2014-05-28 14:33:04.340] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 94.242.223.201
[2014-05-28 14:33:04.340] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:33:04.340] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:33:04.340] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 94.242.223.201
[2014-05-28 14:33:04.340] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:33:04.340] nsd[20452]: info: sent tcp query with ID 8460
[2014-05-28 14:33:04.516] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:33:04.869] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:33:04.869] nsd[20452]: info: got query with ID 8460 and 8460 needed
[2014-05-28 14:33:04.869] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 94.242.223.201: good tsig signature
[2014-05-28 14:33:04.869] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:33:04.869] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:33:04.869] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 94.242.223.201
[2014-05-28 14:33:04.869] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:33:04.869] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:33:04.870] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 0 mr 1 nx -1
[2014-05-28 14:33:04.870] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 207.171.7.80
[2014-05-28 14:33:04.870] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:33:04.870] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:33:04.870] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 207.171.7.80
[2014-05-28 14:33:04.870] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:33:04.870] nsd[20452]: info: sent tcp query with ID 33960
[2014-05-28 14:33:04.872] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:33:04.876] nsd[20452]: info: got query with ID 33960 and 33960 needed
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 207.171.7.80: good tsig signature
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 207.171.7.80
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 1 mr 0 nx -1
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 94.242.223.201
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:33:04.876] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:33:04.876] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 94.242.223.201
[2014-05-28 14:33:04.876] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:33:04.876] nsd[20452]: info: sent tcp query with ID 487
[2014-05-28 14:33:05.049] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:33:05.396] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:33:05.396] nsd[20452]: info: got query with ID 487 and 487 needed
[2014-05-28 14:33:05.396] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 94.242.223.201: good tsig signature
[2014-05-28 14:33:05.396] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:33:05.396] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:33:05.397] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 94.242.223.201
[2014-05-28 14:33:05.397] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:33:05.397] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:33:05.397] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 1 mr 1 nx -1
[2014-05-28 14:33:05.397] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 207.171.7.80
[2014-05-28 14:33:05.397] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:33:05.397] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:33:05.397] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 207.171.7.80
[2014-05-28 14:33:05.397] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:33:05.397] nsd[20452]: info: sent tcp query with ID 22135
[2014-05-28 14:33:05.398] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:33:05.402] nsd[20452]: info: got query with ID 22135 and 22135 needed
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 207.171.7.80: good tsig signature
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 207.171.7.80
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 2 mr 0 nx -1
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 94.242.223.201
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:33:05.402] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:33:05.403] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 94.242.223.201
[2014-05-28 14:33:05.403] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:33:05.403] nsd[20452]: info: sent tcp query with ID 3942
[2014-05-28 14:33:05.574] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:33:05.918] nsd[20452]: info: got query with ID 3942 and 3942 needed
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 94.242.223.201: good tsig signature
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 94.242.223.201
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 2 mr 1 nx -1
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 207.171.7.80
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:33:05.918] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:33:05.919] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 207.171.7.80
[2014-05-28 14:33:05.919] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:33:05.919] nsd[20452]: info: sent tcp query with ID 21717
[2014-05-28 14:33:05.946] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:33:05.956] nsd[20452]: info: got query with ID 21717 and 21717 needed
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 207.171.7.80: good tsig signature
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 207.171.7.80
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:33:05.956] nsd[20452]: info: xfrd zone ajaxjobs.com makereq wait_retry, rd -1 mr 0 nx -1
… and about 5 minutes later:
[2014-05-28 14:37:40.973] nsd[20452]: info: xfrd: zone ajaxjobs.com timeout
[2014-05-28 14:37:40.973] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 0 mr 0 nx -1
[2014-05-28 14:37:40.973] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 94.242.223.201
[2014-05-28 14:37:40.973] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:37:40.973] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:37:40.973] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 94.242.223.201
[2014-05-28 14:37:40.973] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:37:40.973] nsd[20452]: info: sent tcp query with ID 35164
[2014-05-28 14:37:41.154] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:37:41.515] nsd[20452]: info: got query with ID 35164 and 35164 needed
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 94.242.223.201: good tsig signature
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 94.242.223.201
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 0 mr 1 nx -1
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 207.171.7.80
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:37:41.515] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:37:41.515] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 207.171.7.80
[2014-05-28 14:37:41.515] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:37:41.515] nsd[20452]: info: sent tcp query with ID 6943
[2014-05-28 14:37:41.517] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:37:41.520] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:37:41.521] nsd[20452]: info: got query with ID 6943 and 6943 needed
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 207.171.7.80: good tsig signature
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 207.171.7.80
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 1 mr 0 nx -1
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 94.242.223.201
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:37:41.521] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:37:41.521] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 94.242.223.201
[2014-05-28 14:37:41.521] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:37:41.521] nsd[20452]: info: sent tcp query with ID 2550
[2014-05-28 14:37:41.692] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:37:42.037] nsd[20452]: info: got query with ID 2550 and 2550 needed
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 94.242.223.201: good tsig signature
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 94.242.223.201
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 1 mr 1 nx -1
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 207.171.7.80
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:37:42.037] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:37:42.037] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 207.171.7.80
[2014-05-28 14:37:42.037] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:37:42.037] nsd[20452]: info: sent tcp query with ID 44222
[2014-05-28 14:37:42.038] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:37:42.042] nsd[20452]: info: got query with ID 44222 and 44222 needed
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 207.171.7.80: good tsig signature
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 207.171.7.80
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 2 mr 0 nx -1
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 94.242.223.201
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:37:42.042] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:37:42.042] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 94.242.223.201
[2014-05-28 14:37:42.042] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:37:42.042] nsd[20452]: info: sent tcp query with ID 36532
[2014-05-28 14:37:42.212] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:37:42.553] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:37:42.553] nsd[20452]: info: got query with ID 36532 and 36532 needed
[2014-05-28 14:37:42.553] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 94.242.223.201: good tsig signature
[2014-05-28 14:37:42.553] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:37:42.553] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:37:42.553] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 94.242.223.201
[2014-05-28 14:37:42.553] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:37:42.553] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:37:42.554] nsd[20452]: info: xfrd zone ajaxjobs.com make request round 2 mr 1 nx -1
[2014-05-28 14:37:42.554] nsd[20452]: info: xfrd: zone ajaxjobs.com open tcp conn to 207.171.7.80
[2014-05-28 14:37:42.554] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket
[2014-05-28 14:37:42.554] nsd[20452]: info: xfrd: bind() 207.171.3.9 to tcp socket was successful
[2014-05-28 14:37:42.554] nsd[20452]: info: request full zone transfer (AXFR) for ajaxjobs.com to 207.171.7.80
[2014-05-28 14:37:42.554] nsd[20452]: info: appending tsig to packet
[2014-05-28 14:37:42.554] nsd[20452]: info: sent tcp query with ID 23716
[2014-05-28 14:37:42.556] nsd[20452]: info: xfrd: event tcp write, zone ajaxjobs.com
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd: event tcp read
[2014-05-28 14:37:42.560] nsd[20452]: info: got query with ID 23716 and 23716 needed
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd: zone ajaxjobs.com, from 207.171.7.80: good tsig signature
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd: zone ajaxjobs.com got update indicating current serial
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd: zone ajaxjobs.com is ok
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd: zone ajaxjobs.com released tcp conn to 207.171.7.80
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd: released tcp pipe now 65535 unused
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd: tcp pipe released
[2014-05-28 14:37:42.560] nsd[20452]: info: xfrd zone ajaxjobs.com makereq wait_retry, rd -1 mr 0 nx -1
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