Re: [Xen-API] Trying to gather statistics by parsing the rrd data files

[Jonathan Ludlam <Jonathan.Ludlam@xxxxxxxxxxxxx>]

Have you looked here:

http://wiki.xensource.com/xenwiki/XAPI_RRDs

It might help?

Jon

On 23 Jun 2010, at 02:37, Abhishek Joshi wrote:

> Hello All,
> 
> I am trying to gather xenserver statistics by parsing the xenserver rrd 
> files that reside on the xen host, by retrieving them via a python 
> plugin I have written.
> 
> I have a few issues I face here:
> 
> 1. I see that some of the rdd files on the xenserver hosts under 
> /var/xapi/blobs/rrds are substantially bigger than the others. What this 
> leads to is a timeout at my end, when I encounter a big file and try to 
> read it back for parsing.
> 
> 2. I saw quite a few NaN values when I looked at these files.
> 
> 3. I was curious to know how the xen center collected statistics, and if 
> it indeed used the rrd files to parse through to collect statistics.
> 
> In any case, since the original java api is deprecated, this was the 
> only way out as far as collecting stats was concerned. Please let me 
> know if there is a better way to resolve this.
> 
> Any help would be highly appreciated.
> 
> Regards,
> 
> Abhishek
> 
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