ps -C named -o start,lstart is the time since the process was started. One can also force BIND to “reset” with a SIGHUP without actually stopping and starting the daemon.
This will cause (among many other things) the pid file to be reset. (You can also find a “general: notice: running” about this time in the logs that should pretty closely align with the last reset time, or startup time if there is none.). The “reset” probably explains the difference between the two times that you see. The stats counters are since startup time and not affected by a reset as far as I am aware. Regards, Mathew Eis Northern Arizona University Information Technology Services From: bind-users <bind-users-boun...@lists.isc.org> on behalf of Jonathan Reed <jreed...@gmail.com> Date: Thursday, January 5, 2017 at 1:54 PM To: bind-users <bind-users@lists.isc.org> Subject: real BIND start time Hi, I'm running rndc stats and trying to determine how long the stats are good for. I'm querying the server start time by a couple methods but they're not the same. Which one should I rely on? $ date -r /var/run/named/named.pid Sun Jan 1 03:38:04 EST 2017 $ ps -C named -o lstart= Sat Dec 24 12:03:47 2016 I'm using the version bind-9.8.2-0.23.rc1.el6_5.1.x86_64 package on CentOS. Thanks
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