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ntp: improve maxdelayratio test

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Similarly to the maxdelaydevratio test, include in the maximum delay
dispersion which accumulated in the interval since the last sample.
Also, enable the test for symmetric associations.
This commit is contained in:
Miroslav Lichvar
2017-08-25 14:57:25 +02:00
parent 51fe80ad95
commit c68ca40ce4
3 changed files with 27 additions and 6 deletions
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doc/chrony.conf.adoc
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@@ -115,8 +115,7 @@ round-trip delay of 0.3 seconds or more should be ignored. The default value is
This option is similar to the maxdelay option above. *chronyd* keeps a record
of the minimum round-trip delay amongst the previous measurements that it has
buffered. If a measurement has a round trip delay that is greater than the
maxdelayratio times the minimum delay, it will be rejected. This option does
not work in the *peer* directive.
maxdelayratio times the minimum delay, it will be rejected.
*maxdelaydevratio* _ratio_:::
If a measurement has a ratio of the increase in the round-trip delay from the
minimum delay amongst the previous measurements to the standard deviation of