[smokeping-users] Smokeping performance tracking
Jonathan.Bradbury at attenda.net
Fri Sep 14 16:57:03 CEST 2007
We have installed rrdtool 1.3 (as JonG said we would) but smokeping
gives the following error, after starting the probes, and then dies:
RRDs::info /usr/local/smokeping/var/GCC/GCC10APP51.rrd: ERROR: setting
POSIX_FADV_RANDOM on '/usr/local/smokeping/var/GCC/GCC10APP51.rrd':
Success at /usr/local/smokeping/lib/Smokeping/RRDtools.pm line 113.
Has any one seen this and know how to resolve it.
From: smokeping-users-bounces at lists.oetiker.ch
[mailto:smokeping-users-bounces at lists.oetiker.ch] On Behalf Of Jon
Sent: 12 September 2007 20:33
To: smokeping-users at lists.oetiker.ch
Subject: Re: [smokeping-users] Smokeping performance tracking
>there is significant performane to be gained by having sufficient
>cache on your box so that all active rrds stay n cache ... in
>rrdtool 1.3 we did some work to reduce the 'pre rrd' cache
We are going to look at deploying smokeping to a servers that have San
access so I guess diskio problems should be less of an issue but I will
look at what performance gain we can get from rrdtool 1.3
>if rrdtool does not finisch a round of updating in time, it will
>say so in its logs ...
We have seen this in the log but this really only provides a reactive
way to know you have a capacity problem it would be much nicer to see it
coming rather than waiting for it to happen.
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