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sources: add configurable limit for jitter

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The maxjitter directive sets the maximum allowed jitter of the sources
to not be rejected by the source selection algorithm. This prevents
synchronisation with sources that have a small root distance, but their
time is too variable. By default, the maximum jitter is 1 second.
This commit is contained in:
Miroslav Lichvar
2016-12-07 09:40:43 +01:00
parent 68039e0d14
commit 8bbb8fa062
4 changed files with 28 additions and 1 deletions
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7
doc/chrony.conf.adoc
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@@ -600,6 +600,13 @@ Setting *maxdistance* to a larger value can be useful to allow synchronisation
with a server that only has a very infrequent connection to its sources and can
accumulate a large dispersion between updates of its clock.
[[maxjitter]]*maxjitter* _jitter_::
The *maxjitter* directive sets the maximum allowed jitter of the sources to not
be rejected by the source selection algorithm. This prevents synchronisation
with sources that have a small root distance, but their time is too variable.
+
By default, the maximum jitter is 1 second.
[[minsources]]*minsources* _sources_::
The *minsources* directive sets the minimum number of sources that need to be
considered as selectable in the source selection algorithm before the local