Hi again,
can someone point to the code where action are taken upon the gmon
configuration 'host_tmax' and 'host_dmax'? Because that's where the RRD
physical hosts should be deleted in my opinion
Cumprimentos / Best regards,
Cristóvão José Domingues Cordeiro
________________________________
From: Cristovao Jose Domingues Cordeiro
Sent: 26 August 2014 09:22
To: Adam Compton; "Ganglia List [ganglia-general@lists.sourceforge.net]"
Subject: RE: [Ganglia-general] Down hosts remain on disk and flood RAM disk
Hi Adam,
Thanks. Yeah that might be the ultimate solution. But I guess this is a known
problem Ganglia developers had to deal with before right? It's an unavoidable
scenario that will break gmetad. There must be some kind of protection...
________________________________
From: Adam Compton [acomp...@quantcast.com]
Sent: 26 August 2014 00:59
To: Cristovao Jose Domingues Cordeiro; "Ganglia List
[ganglia-general@lists.sourceforge.net]"
Subject: Re: [Ganglia-general] Down hosts remain on disk and flood RAM disk
On 8/25/14 6:53 AM, Cristovao Jose Domingues Cordeiro wrote:
Hi all,
I have a Ganglia setup running with a 4Gb ramdisk.
I'm monitoring several opportunistic clusters with short-lifetimed VM's which
are renewed a lot, causing a huge number of down hosts in Ganglia.
>From a web interface point of view this is solved with the host_dmax option,
>and it works fine, but the problem is that even though the VM's are down and
>out of the web interface, they still remain on the ramdisk, causing it to
>flood eventually, and consequently breaking gmetad.
Any solutions?
We have a cronjob that finds and purges RRDs that have not been modified in N
days (currently 90 in most cases). I would also be interested in other peoples'
solutions to this problem.
- Adam
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