Hello! Yesterday I made some tests transferring a zone with 50mio RRs to 35 Secondaries. I measured the time between:
- Primary logs "zone test/IN: sending notifies" - Primary logs "client xxxx: transfer of 'test/IN': AXFR-style IXFR ended" What makes we wonder is, that for several secondaries the XFR duration is equally fast although these secondaries are globally distributed with different RTTs and different VMs: 173 seconds 173 seconds 404 seconds 405 seconds 609 seconds 620 seconds 622 seconds 638 seconds 838 seconds 838 seconds 839 seconds 839 seconds 843 seconds 848 seconds 859 seconds 1031 seconds 1032 seconds 1032 seconds 1035 seconds 1037 seconds 1038 seconds 1038 seconds 1038 seconds 1043 seconds 1702 seconds 2359 seconds 2361 seconds 2361 seconds 2361 seconds 2361 seconds 2361 seconds 2361 seconds 2361 seconds 2361 seconds 2362 seconds For example, there are 8 secondaries (Mumbai, LosAngeles, Melbourne, Atlante, SaoPaulo...) to which the XFR took 2361 seconds. Are there some mechanisms in Bind that put multiple XFRs together into a common stream? Or do you have any other ideas how it come that several XFRs are equally fast? Thanks Klaus -- Klaus Darilion, Head of Operations nic.at GmbH, Jakob-Haringer-Straße 8/V 5020 Salzburg, Austria
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