faraphel/chrony
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

doc: improve description of some server options

Browse source
This commit is contained in:
Miroslav Lichvar 2017-01-26 12:32:28 +01:00
parent 65c2cebcd5
commit 8bcb15b02f
1 changed files with 7 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
doc/chrony.conf.adoc
View file

@ -71,7 +71,7 @@ This is always defined as a power of 2, so *minpoll 5* would mean that the
polling interval cannot drop below 32 seconds. The default is 6 (64 seconds),
the minimum is -4 (1/16th of a second), and the maximum is 24 (6 months). Note
that intervals shorter than 6 (64 seconds) should generally not be used with
public servers on the Internet as their administrators may consider it abuse.
public servers on the Internet, because it might be considered abuse.
*maxpoll* _poll_:::
In a similar way, the user might want to constrain the maximum polling interval.
Again this is specified as a power of 2, *maxpoll 9* indicates that the polling
@ -176,9 +176,12 @@ the interleaved mode requires the servers to keep some state for each client
and the state might be dropped when there are too many clients (e.g.
<<clientloglimit,*clientloglimit*>> is too small), or it might be overwritten
by other clients that have the same IP address (e.g. computers behind NAT or
someone sending requests with a spoofed source address). The *presend* option
can be used to shorten the interval in which the server has to keep the state
for this computer and be able to respond in the interleaved mode.
someone sending requests with a spoofed source address).
+
With longer polling intervals, it is recommended to combine the *xleave* option
with the *presend* option in order to shorten the interval in which the server
has to keep the state to be able to respond in the interleaved mode. The
shorter interval also improves accuracy of the measured offset and delay.
*polltarget* _target_:::
Target number of measurements to use for the regression algorithm which
*chronyd* will try to maintain by adjusting the polling interval between