mansaxel at sunet.se
Thu Jul 28 14:56:37 UTC 2005
Subject: Re: Statistics dumps. Date: Thu, Jul 28, 2005 at 04:38:07PM +0200 Quoting Erik Rozendaal (erik at nlnetlabs.nl):
> NSD also dumps statistics when the process exits. So the shorter dump
> interval can be explained by database reloads (which causes NSD to
> restart itself).
Ok, this explains things.
> The two big peaks in the green line are surprising. I'm not sure what
> could cause this. It looks like at some point the periodic SIGALRM that
> is used to dump statistics is lost, and dumping is not resumed until an
> NSD reload happens...
Is it the mother process who sends those to the child? I saw them
only after a restart where I had truncated the log file.
> Only the child process dumps statistics, since the parent process isn't
> answering any queries. If you run with multiple child servers (using the
> -N option) there is currently no way to distinguish the servers. Using
> syslog instead of a log file in this case.
There is no such multiple statement.
Måns Nilsson Systems Specialist
+46 70 681 7204 KTHNOC
Zippy's brain cells are straining to bridge synapses ...
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