Re: [Ganglia-general] scaling CPU usage by num processors

2008-05-07 Thread Jesse Becker
On Wed, May 7, 2008 at 4:53 PM, Rich McClellan <[EMAIL PROTECTED]> wrote: > How can I scale the % CPU value by the number of processors? It isn't completely straightforward, since the %CPU values are all "normalized" on a per-host basis. A similar example is a two node cluster made of an old sl

[Ganglia-general] scaling CPU usage by num processors

2008-05-07 Thread Rich McClellan
Hi, I am monitoring a cluster with Ganglia v3.0.7. In it there are some hosts with one processors (let's say 4) and some with 8 processors (let's say 4). When viewing the cluster page there are four graphs at the top of the page: load, CPU, memory, and network. These graphs reflect the state of

Re: [Ganglia-general] Is there any APIs or DB data I can use to getmetrics?

2008-05-07 Thread Martin Knoblauch
Hi Igor, unless you want to rewrite "gmetad" completely, this is the way to query the "database". Basically port 8651 gives you everything, while 8652 allows to do specific queries. Not sure where/whether the query mechanism is actually documented outside the "gmetad" sources. You can have a l

Re: [Ganglia-general] Is there any APIs or DB data I can use to getmetrics?

2008-05-07 Thread Igor Rosenberg
Hi Well, I looked for a way to make sure ganglia was working. The doc suggests polling these interfaces with telnet. Then I understood this only was opening a socket. I decided to make my own in java when I counld't find any existing example. But I'm not sure it's the best way. I am quite certai