On 12/7/18 6:10 PM, MRob wrote: > NOTIFY 3sec timeout is hardcoded? ANyone please confirm?
At a quick glance, it looks like the first attempt has a 3s timeout, the second one 5s, the third one 9s and the last one 17s: https://github.com/PowerDNS/pdns/blob/master/pdns/communicator.hh#L106 I did not actually test, though. Best regards, Remi > On 2018-12-05 18:43, MRob wrote: >> Hello, when supermaster send NOTIFY for large number of domain I think >> some NOTIFYs get re-sent. On first time slave setup that cause errors >> so I was looking do pdns have setting to delay re-NOTIFY timeout? >> >> Loglevel 6 doesnt say "no response so I will re-notify" however I see >> hint of two notify response in master: >> >> 01:19:53 Queued notification of domain 'example.org' to 2.2.2.2:53 >> 01:19:57 Removed from notification list: 'example.org' to 2.2.2.2:53 >> (was acknowledged) >> 01:20:13 Received spurious notify answer for 'example.org' from >> 2.2.2.2:53 >> 01:20:31 AXFR happen successfully >> 01:20:45 Received unsuccessful notification report for 'example.org' >> from 2.2.2.2:53, error: Server Failure >> 01:20:45 Received spurious notify answer for 'example.org' from >> 2.2.2.2:53 >> >> Slave show in logs 2 NOTIFY, notice time of number 2 is 1sec before >> than which master said "removed from notify list (acknowledged)": >> >> 01:19:54 Received NOTIFY for example.org from 1.1.1.1 for which we are >> not authoritative >> 01:19:56 Received NOTIFY for example.org from 1.1.1.1 for which we are >> not authoritative >> 01:20:13 Created new slave zone 'example.org' from supermaster 1.1.1.1 >> 01:20:31 AXFR happen successfully >> 01:20:44 Database error trying to create example.org for potential >> supermaster 1.1.1.1: Database error trying to insert new domain >> 'example.org.': Could not execute mysql statement: insert into domains >> (type,name,master,account,last_check,notified_serial) >> values(?,?,?,?,NULL,NULL): Duplicate entry 'example.org' for key >> 'name_index' >> >> So I guess master wait 3sec for NOTIFY acknowledge then send >> re-NOTIFY. On slave setup causing database error. Look like operation >> is normal after so I can ignore but I wonder if there may be setting >> to increase timeout? > _______________________________________________ > Pdns-users mailing list > Pdns-users@mailman.powerdns.com > https://mailman.powerdns.com/mailman/listinfo/pdns-users -- Remi Gacogne PowerDNS.COM BV - https://www.powerdns.com/
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