[rrd-users] Re: rrdtool tune

[Alex van den Bogaerdt]

Shawn Ferry wrote:
> 
> is there anyway to tune all of the ds heartbeat values in an rrd?
> 
> I currently have ~1100 in 115 files. 

I think a script would help here.  The "rrdtool info" command will
show you the current heartbeat but also, more important, the existing
DSes.

    rrdtool info rrdfile.rrd|grep 'heartbeat'
gives
    ds[ds0].minimal_heartbeat = 600
    ds[ds1].minimal_heartbeat = 600

The output of this should be trimmed and only contain the DSes.

    rrdtool info rrdfile.rrd|awk -F'[\[\\]]' '/heartbeat/{print $2}'
gives
    ds0
    ds1

Now use this in a script to generate "rrdtool tune file.rrd -h ds0:600"
commands and all you need is two for-next loops with proper variables.

foreach rrdfile
do
   foreach ds
   do
      rrdtool tune $rrdfile tune -h $ds:600
   done
done

Same approach but with other scripting tools on windows.

cheers,
-- 
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