Experimental Physics and
Industrial Control System

<[email protected]> · Fri, 26 Aug 2011 08:19:36 +0000

Hi,

Just in case anyone else got momentarily confused like me - the subject of this thread should be RRD, not RDD. RRDtools is the very widely used open source logging software used by most of the computer monitoring tools (Ganglia, Cacti. Zenoss etc). For information and documentation see: http://oss.oetiker.ch/rrdtool/

RDD stands for a number of things, but none of them are relevant.

Cheers,

Nick Rees
Principal Software Engineer           Phone: +44 (0)1235-778430
Diamond Light Source                  Fax:   +44 (0)1235-446713

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On
> Behalf Of Pete R. Jemian
> Sent: 26 August 2011 04:11
> To: [email protected]
> Cc: EPICS
> Subject: Re: RDD of epics pv
> 
> 
> On 8/25/2011 6:24 PM, [email protected] wrote:
>  > I am  familiar with the excellent pyepics, but not yet with RDDtools.
>  > Could you please send me a copy of your python and RDD scripts
>  > so I better understand?
> 
> Example of APS storage ring current:
> http://sector33.xor.aps.anl.gov/rrd/cgi/S-SRcurrentAI.cgi
> 
> The page supporting APS sectors 33 and 34:
> http://sector33.xor.aps.anl.gov/rrd/
> 
> SVN repository:
> https://subversion.xor.aps.anl.gov/bcdaext/pvrrd/
> 
> Sphinx documentation (just added this month!):
> https://subversion.xor.aps.anl.gov/bcdaext/pvrrd/doc/build/html/index.html
> 
> 
> > Also, I assume you can plot different process variables (from
> > different RDD db) on the same graph with your framework. Is this
> > correct?
> 
> This must be possible but I have not done it.
> This effort was to log each PV separately.
> 
> HTH,
>      Pete
> 
> 

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System