Zitat von 王明达 <[email protected]>:
Hi All,
I try add my ntp server to pool, but I found it's score is drop in
cycles , I think it's related to traffic,but the system's load is
very low, I didn't find any error in log, configure file pls see the
attachment. How to find the bottleneck of the system? Looking
forward to your reply.
http://www.pool.ntp.org/scores/114.113.198.166
[root@hz1-12-168 ~]# uname -a
Linux hz1-12-168.inter.163.com 2.6.32-431.5.1.el6.x86_64 #1 SMP Fri
Jan 10 14:46:43 EST 2014 x86_64 x86_64 x86_64 GNU/Linux
[root@hz1-12-168 ~]#
[root@hz1-12-168 ~]# ntpd -!
ntpd 4.2.6p5
ntpd [email protected] Mon Jul 15 09:22:49 UTC 2013 (1)
[root@hz1-12-168 ~]# ntpq -pn
remote refid st t when poll reach delay
offset jitter
==============================================================================
-64.113.32.5 .ACTS. 1 u 27 1024 377 358.521
-30.035 6.725
*137.189.4.10 .GPS. 1 u 750 1024 377 81.095
-3.238 8.187
+108.71.253.18 .GPS. 1 u 374 1024 377 311.508
-2.693 5.882
+83.163.209.244 .GPS. 1 u 416 1024 377 404.777
-1.397 7.461
-89.109.251.23 .PPS. 1 u 486 1024 377 295.556
-37.660 50.758
-193.190.230.65 .PPS. 1 u 546 1024 377 407.231
-17.679 19.307
[root@hz1-12-168 ~]#
2014-02-14
Mingda Wang
Hello,
You have a very long round trip time to your peers you get time from.
Delay values should be below 100ms in today networks, you should maybe
look for "closer" NTP peers.
Furthermore the Jitter values are bad which could lead to the strange
score plot. Do you by any chance have another source of clock
adjustment beside ntpd or is this maybe a virtual host with the
(hardware-)clock set by the hypervisor?
Regards
Andreas
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