SNMP management of VLC instances

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caduellery
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SNMP management of VLC instances

Postby caduellery » 02 Mar 2009 21:35

Hello,

First of all, I want to thank the dev team for this very useful application!
Now the question: I have a VLMa 0.2.0 server controlling 10 streaming servers. All of them are running vlc 0.8.6d instances on Fedora Core 6 systems.
So, at the "Configuration" screen of my VLMa, there are SNMP configs with the OID text boxes already filled with some default values. But, with these values I don't get any result in the graphs available at the "Servers graphs" screen of VLMa. Mind that I've installed snmpd on my servers and can monitor them with using a NMS system, like the JFFNMS (http://www.jffnms.com). The SNMP community configured in VLMa is the same of my NMS, and this one is using SNMP v1 too. In my NMS I can get graphs of CPU, Memory, Memory of VLC instance, and much more... in VLMa the graphs are empty. :-(
BTW, the only data I don't have yet is the "CPU resources used by VLC". The others like CPU, Mem and traffic, I can monitor with the NMS.

So, what is the right OID to use for getting this data? Or, what configuration I have to do to get the SNMP stats of VLMa working fine?

Thanks!

jpountz
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Re: SNMP management of VLC instances

Postby jpountz » 08 Mar 2009 17:26

Hello,

Actually, the default SNMP OID of VLMa don't make sense, we should rather have kept those fields empty. I think you should try to find the OID that your NMS system queries and configure VLMa so that it uses those OID. For the non-standard metrics to retrieve such as resources used by VLC, you have to configure it on the SNMP servers' side by binding an arbitrary OID to a shell command such as

Code: Select all

ps -C vlc -o pcpu=
to get the CPU usage of VLC. We know that this is not really convenient and that the result of such a query may be wrong (for example if two instances of VLC are running on the server) that's why we're working on a new system for the next release.
jpountz
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Oxego777
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Re: SNMP management of VLC instances

Postby Oxego777 » 13 Jun 2009 12:20

Hello,
We know that this is not really convenient and that the result of such a query may be wrong (for example if two instances of VLC are running on the server) that's why we're working on a new system for the next release.
This would really be a nice feature. Is there any release date available for the next release ?

Thanks

jpountz
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Re: SNMP management of VLC instances

Postby jpountz » 11 Jul 2009 23:23

Hello,

I can't give you any date but you can try the nightly builds which should be almost stable:
http://nightles.videolan.org/vlma
jpountz
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