Anssi Johansson kirjoitti:
I'm currently verifying my "only pool.ntp.org is used" theory by
monitoring when my server is included in the tr zone for each of the
subdomains. Graphs [3,4,5,6,7]. To make the measurements a bit easier,
I've temporarily removed the 2nd IP address of my server from the pool.
It'll be reinstated when the tests have concluded. I believe the spikes
in traffic will correlate with the time when my server is included in
the main pool.ntp.org zone, and that the traffic amount doesn't change
substantially when my server is included in any of the
[0-3].pool.ntp.org zones. Let's see if I can spot a pattern.
Looks like there are traffic spikes when my server's IP address is
included in either pool.ntp.org or 0.pool.ntp.org. Getting included in
[1-3].pool.ntp.org doesn't cause any noticeable changes in traffic. I
saved the graphs for posterity:
http://miuku.net/tmp/ntppackets-kameli.png
http://miuku.net/tmp/participation_-kameli.png
http://miuku.net/tmp/participation0-kameli.png
http://miuku.net/tmp/participation1-kameli.png
http://miuku.net/tmp/participation2-kameli.png
http://miuku.net/tmp/participation3-kameli.png
If the pool ever gets tired of serving those unsatisfiable Turk Telekom
routers, perhaps it'd make sense to remove their access to pool.ntp.org
and 0.pool.ntp.org, leaving access to [1-3].pool.ntp.org intact.
I've now re-added the 2nd IP address of that server to the pool.
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